A sequence is defined by the explicit formula an=3n+4. Which recursive formula represents the same sequence of numbers?

Answers

Answer 1

The recursive formula that represents the same sequence of numbers as the explicit formula an = 3n + 4 is an = an-1 + 3, with the initial term a1 = 7.

A recursive formula defines a sequence by expressing each term in terms of previous terms. In this case, the explicit formula an = 3n + 4 gives us a direct expression for each term in the sequence.

To find the corresponding recursive formula, we need to express each term in terms of the previous term(s). In this sequence, each term is obtained by adding 3 to the previous term. Therefore, the recursive formula is an = an-1 + 3.

To complete the recursive formula, we also need to specify the initial term, a1. We can find the value of a1 by substituting n = 1 into the explicit formula:

a1 = 3(1) + 4 = 7

Hence, the complete recursive formula for the sequence is an = an-1 + 3, with the initial term a1 = 7. This recursive formula will generate the same sequence of numbers as the given explicit formula.

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Related Questions

There is a piece of cardboard in the shape of an equilateral triangle (the measures of its sides are equal), the area of ​​the piece of cardboard is 1 m². With scissors, a cut is made through the midpoints of the cardboard, the cut is left in the hand and the rest of the paper is left on a table, the piece that remains in the hand is cut through the midpoints of the sides, the cut is left in the hand and the rest is left on the table. The process is repeated n times. Write a recurrence relation that determines the area left in the hand at each step.

Answers

we can express the area left in the hand at each step as follows: A_n = (1/4) * A_{n-1} .This is a recurrence relation that determines the area left in the hand at each step

Let A_n represent the area left in the hand after n steps. After the first cut, the remaining piece of cardboard is divided into four congruent triangles. Each of these triangles has an area of 1/4 m².For each subsequent step, the remaining piece in the hand is also divided into four congruent triangles, each with half the area of the previous  step.

Therefore, we can express the area left in the hand at each step as follows: A_n = (1/4) * A_{n-1}

This is a recurrence relation that determines the area left in the hand at each step, where A_n represents the area after the nth step and A_{n-1} represents the area after the (n-1)th step. Note that A_0 is the original area of the cardboard, which is 1 m².

The recurrence relation can also be written as: A_n = (1/4)^n * A_0, where (1/4)^n represents the reduction in area after n steps.

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Write the augmented matrix for {x + 2y - 3z = 9 {2x - y + z = 0 {4x - 2y + 2z = 0
Using row operations, write the row echelon form of the matrix. Identify the leading entries and free variable.

Answers

The augmented matrix for the given system of equations is:

[ 1 2 -3 | 9 ]

[ 2 -1 1 | 0 ]

[ 4 -2 2 | 0 ]

To find the row echelon form of the matrix, we perform row operations to eliminate the coefficients below the leading entries. The goal is to transform the matrix into an upper triangular form.

Applying the row operations:

1. Multiply Row 1 by 2 and subtract it from Row 2:

[ 1 2 -3 | 9 ]

[ 0 -5 7 | -18 ]

[ 4 -2 2 | 0 ]

2. Multiply Row 1 by 4 and subtract it from Row 3:

[ 1 2 -3 | 9 ]

[ 0 -5 7 | -18 ]

[ 0 -10 14 | -36 ]

3. Multiply Row 2 by -2 and add it to Row 3:

[ 1 2 -3 | 9 ]

[ 0 -5 7 | -18 ]

[ 0 0 0 | 0 ]

The resulting row echelon form is:

[ 1 2 -3 | 9 ]

[ 0 -5 7 | -18 ]

[ 0 0 0 | 0 ]

In this form, the leading entries are the leftmost non-zero entries in each row, which are 1, -5, and 0. The corresponding leading variables are x, y, and z. The last row with all zeros represents the equation 0 = 0, which is always true and does not provide any additional information. Therefore, the system has two equations and three variables, resulting in a free variable. In this case, the free variable is z.

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Use the following steps to solve the second-order differential equation y" - 3y 10y = 6e-2 (a) Find the complementary function yc. (b) Find a particular solution yp. (c) Use these two answers to write down the general solution of the d.e.

Answers

a) The complementary function is given by: yc = c1e^(3x/2)cos(5x/2) + c2e^(3x/2)sin(5x/2)

b) The particular solution is:yp = (3/11)e^(-2x)

c) The general solution y =  c1e^(3x/2)cos(5x/2) + c2e^(3x/2)sin(5x/2) + (3/11)e^(-2x).

The given differential equation is: y" - 3y + 10y = 6e^(-2)

(a) Finding the complementary function yc:

In order to find yc, we will solve the characteristic equation: r^2 - 3r + 10 = 0 r = 3/2 ± i (5/2)^0.5

The complementary function is given by:

yc = c1e^(3x/2)cos(5x/2) + c2e^(3x/2)sin(5x/2)

(b) Finding a particular solution yp:

Let's assume that yp = Ae^(-2x)

Taking the first and second derivatives of yp:

yp' = -2Ae^(-2x)yp'' = 4Ae^(-2x)

Substituting yp, yp' and yp'' into the given differential equation:

4Ae^(-2x) - 3Ae^(-2x) + 10Ae^(-2x) = 6e^(-2) A = 3/11

Therefore, the particular solution is:yp = (3/11)e^(-2x)

(c) General solution of the differential equation:

The general solution of the differential equation is given by the sum of complementary function and particular solution. That is: y = yc + yp = c1e^(3x/2)cos(5x/2) + c2e^(3x/2)sin(5x/2) + (3/11)e^(-2x)

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Suppose that an is an arithmetic sequence with the following terms: a₈ = 61 a₁₇ = 133 Find the first term a₁ and the common difference d. Type your answers into the spaces provided.
a₁ = __
d = __
Find the 101st term of the sequence. Type your answer into the space provided. a₁₀₁ =

Answers

The first term (a₁) is 5 and the common difference (d) is 8. The 101st term of the arithmetic sequence is 805. To find the first term (a₁) and the common difference (d) of the arithmetic sequence, we can use the given information.

1. Let's denote the first term as a and the common difference as d.

From the given information, we have:

a₈ = 61

a₁₇ = 133

2. Using the formula for the nth term of an arithmetic sequence (aₙ = a + (n-1)d), we can substitute the values of n and the corresponding terms to form two equations:

a + 7d = 61   ----(1)

a + 16d = 133 ----(2)

3. To solve this system of equations, we can subtract equation (1) from equation (2) to eliminate 'a':

9d = 72

Dividing both sides by 9, we find:

d = 8

4. Now that we have found the common difference (d = 8), we can substitute this value back into equation (1) to find the first term 'a':

a + 7(8) = 61

a + 56 = 61

a = 61 - 56

a = 5

5. Therefore, the first term (a₁) is 5 and the common difference (d) is 8.

6. To find the 101st term (a₁₀₁) of the sequence, we can use the formula for the nth term again:

aₙ = a + (n-1)d

7. Substituting the values we found:

a₁₀₁ = 5 + (101-1)8

a₁₀₁ = 5 + 100*8

a₁₀₁ = 5 + 800

a₁₀₁ = 805

8. Hence, the 101st term of the arithmetic sequence is 805.

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Find the exact arc length of the curve:

y=1/4x^2 - 1/2lnx, 1

Answers

Given function is:y = (1/4)x² - (1/2)lnxTo find the arc length of the curve, we use the formula:Length of the arc = ∫[a,b]√[1

(dy/dx)²]dxHere, the limits are given as 1.Therefore, the lower limit a = 1.The function

y = (1/4)x² - (1/2)lnx can be written as

y = f(x), where

f(x) = (1/4)x² - (1/2)lnxDifferentiating f(x) with respect to x, we get:

f'(x) = (1/2)x - (1/2x)We can write the given formula as:Length of the

arc = ∫[a,b]√[1 + (dy/dx)²]dxLength of the

arc = ∫[1,b]√[1 + ((1/2)x - (1/2x))²]dxOn simplifying the above expression, we get:Length of the

arc = ∫[1,b]√[(5x² + 4) / 4x²]dxOn simplifying the above expression, we get:Length of the

arc = ∫[1,b]√[(5/x² + 4/x⁴)]dxLength of the

arc = ∫[1,b][√5 / x] √[1 + (4/5x²)]dxSubstitute 1 + (4/5x²) = u an

d differentiating with respect to x, we get:

du/dx = (-8/5)x⁻³

dx = (-5/8)u⁻³/₂ duOn substituting the value of u and du, we get:Length of the

arc = ∫[1,b] (√5 / x)(-5/8)u⁻³/₂ duLength of the

arc = (-√5 / 8) ∫[1,b] u⁻³/₂ (1 + (4/5x²))⁻¹ dxLength of the

arc = (-√5 / 8) ∫[1,b] (5/4)u⁻³/₂ (5u + 4)⁻¹ dxLength of the arc = (-√5 / 8) [ ∫[1,b] (5/4)u⁻³/₂ (5u + 4)⁻¹ dx ]  (5u + 4)⁻¹ [at x = 1 and

x = b]Length of the arc = (-√5 / 8) [ (5/4) ∫[1,b] (5u + 4)⁻² du ]  (5u + 4)⁻¹ [at x = 1 and

x = b]Length of the

arc = (-√5 / 8) [ (5/4) ∫[1,b] (5/4)(u⁻¹ - (4/5)(u⁻³/₂)) du ]  (5u + 4)⁻¹ [at x = 1 and x = b]On simplifying the above expression, we get:Length of the arc = (-5√5 / 32) [(1/b) - (1/√9)]  (5u + 4)⁻¹ [at x = 1 and x = b]Length of the arc = (-5√5 / 32) [(1/b) - (1/3)]After substituting the values for a and b, we get:Length of the arc = (-5√5 / 32) [(1/b) - (1/3)]Length of the arc = (-5√5 / 32) [(1/1) - (1/3)]Length of the arc = (-5√5 / 32) [2/3]Length of the arc = (-5√5 / 48)Therefore, the exact arc length of the curve is (-5√5 / 48).Hence, the required answer is (-5√5 / 48).

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11. (a) If D, M and S are the numbers of sexagesimal degrees, minutes and seconds of a angle then show that 3600D = 60M = S​

Answers

Both M and S in sexagesimal notation = 3600D.

Here converting 'D' into minutes.

We know that a degree is made up of 60 minutes.

so multiply D with 60 we get

⇒ D x 60 = M

Now convert 'M' into seconds.

Again, there are 60 seconds in a minute,

so multiply M with 60 we get,

⇒ M x 60 = S

Simplify this equation by substituting D x 60 for M,

⇒D x 60 x 60 = S

Simplifying further, we get,

⇒ 3600D = S

Hence, 3600D is equal to both M and S in sexagesimal notation.

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Please type up the answer as
sometimes hand written is hard to read
Question 4 Consider the function f(31,79) = { ) = = 47122 exp(-27), 01 > 0, 02 > 0 0, otherwise. Check whether it is a valid joint probability density function. a

Answers

The given function is: f(x, y) = { 47122 * exp(-27), x > 0, y > 0

0, otherwise }

To check if it is a valid joint probability density function (PDF), we need to verify two conditions:

Non-negativity: The function should always be non-negative.

Integration: The integral of the function over the entire range should equal 1. Let's analyze each condition:

Non-negativity:

The function f(x, y) is defined as 47122 * exp(-27) for x > 0 and y > 0. Since both conditions are specified, the function is non-negative for valid values of x and y. Outside this range, the function is defined as 0, which is also non-negative.

Integration:

To check the integration, we need to evaluate the double integral of f(x, y) over the entire range. Since the function is defined as 0 outside the region where x > 0 and y > 0, we only need to integrate over this region.

∫∫ f(x, y) dx dy = ∫∫ 47122 * exp(-27) dx dy

Integrating with respect to x and y over their valid ranges, we have:

∫(0 to ∞) ∫(0 to ∞) 47122 * exp(-27) dx dy

This integral can be simplified as follows:

∫(0 to ∞) 47122 * exp(-27) dx * ∫(0 to ∞) 1 dy

The first integral evaluates to a constant, and the second integral evaluates to infinity. Therefore, the overall integration of the function is not finite.

Since the integral of the function does not equal 1, the given function f(x, y) does not satisfy the condition for a valid joint probability density function.

In conclusion, the given function is not a valid joint probability density function.

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A survey of 640 graduating high school seniors found that 416 plan to go directly to college. Estimate the percent of graduating high school seniors that plan to go directly to college with 99% confidence. Give the answers as a percent rounded to one decimal place.

Answers

The estimated percent of graduating high school seniors that plan to go directly to college with 99% confidence is given by the confidence interval, which is calculated using the sample proportion of 0.65 and the critical value of 2.576.

To estimate the percent of graduating high school seniors that plan to go directly to college, we can use the sample proportion.

Given that 416 out of 640 graduating seniors plan to go directly to college, the sample proportion is 416/640 = 0.65.

To find the confidence interval, we can use the formula:

Sample proportion ± Z * sqrt((Sample proportion * (1 - Sample proportion)) / n)

Where Z is the critical value corresponding to the desired confidence level, and n is the sample size.

For a 99% confidence level, the critical value Z is approximately 2.576.

Plugging in the values, we get:

0.65 ± 2.576 * sqrt((0.65 * (1 - 0.65)) / 640)

Calculating this expression gives us the confidence interval.

The percent of graduating high school seniors that plan to go directly to college with 99% confidence is the confidence interval expressed as a percent rounded to one decimal place.

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a. For the following function, find f'(a). b. Determine an equation of the line tangent to the graph of fat (a.f(a)) for the given value of a. f(x)=√2x+4, a=6 a. f'(a) =

Answers

a. For the following function, find f'(a). The function is

f(x) = √(2x + 4).f'(x) = 1/2(2x + 4)-1/2*2

f'(6) = 1/4

b. Determine an equation of the line tangent to the graph of fat (a.f(a)) for the given value of a.

f(x) at x = a.

y = 1/4x - 3/2 is the equation of the tangent line to the graph of f(a) at x = 6.

a. For the following function, find f'(a). The function is

f(x)

= √(2x + 4).f'(x)

= 1/2(2x + 4)-1/2*2

The above function can be simplified as:

f'(x)

= 1/(√2x + 4)

Now we have to find f'(a) where a

= 6

Substituting the value of x with a in the above function we get:

f'(6)

= 1/(√2*6 + 4)

f'(6)

= 1/(√16)

f'(6)

= 1/4

b. Determine an equation of the line tangent to the graph of fat (a.f(a)) for the given value of a.

We have to find the equation of the tangent line of the function

f(x) at x

= a.

To find the equation of the tangent line we have to use the point-slope form of the line which is:

y - y1

= m(x - x1)

where m is the slope of the tangent line and (x1, y1) is the point at which the line is tangent to the curve.

f(x)

= √(2x + 4)f(a)

= √(2a + 4)

f'(x)

= 1/(√2x + 4)

f'(a)

= 1/(√2a + 4)

At x

= a,

the point is (a, f(a)) and the slope of the tangent line is f'(a).

Therefore, the equation of the tangent line is:

y - f(a)

= f'(a)(x - a)
Substituting the value of f(a), f'(a) and a in the above equation we get:

y - √(2*6 + 4)

= 1/(√2*6 + 4)(x - 6)

y - √16 = 1/4(x - 6)y - 4

= 1/4(x - 6)

y

= 1/4x - 3/2

is the equation of the tangent line to the graph of f(a) at x

= 6.

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let g be a group of order pq where p, q are two distinct prime numbers. (a) assuming that p < q show that there is a unique q-sylow subgroup of g. (b) deduce that g is not simple

Answers

In a group G of order pq, where p and q are distinct prime numbers and p < q, there exists a unique q-Sylow subgroup, and consequently, G is not a simple group.

(a) To show that there is a unique q-Sylow subgroup of G, we use the Sylow theorems.

By the Sylow theorems, the number of q-Sylow subgroups, denoted as nq, satisfies the conditions: nq ≡ 1 (mod q) and nq divides pq. Since p < q, it follows that nq ≡ 1 (mod q) implies nq = 1.

Therefore, there is only one q-Sylow subgroup in G, which is unique.

(b) Deducing that G is not a simple group can be done by considering the unique q-Sylow subgroup. By the Sylow theorems, any q-Sylow subgroup is conjugate to each other.

Since there is only one q-Sylow subgroup, it must be normal in G. Therefore, G has a nontrivial normal subgroup, which means G is not a simple group.

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According to a report on www.sciencedirect.com, adolescents sleep an average of 499 minutes (around 8.3 hours) with a standard deviation of 93 minutes. Assuming this variable is normally distributed, if an adolescent is randomly selected, what is the probability they sleep more than 600 minutes?

Answers

The probability that an adolescent sleeps more than 600 minutes is approximately 13.89%.

The adolescents' sleep is normally distributed with an average of 499 minutes and a standard deviation of 93 minutes.

The probability of an adolescent sleeping more than 600 minutes.

It is given that adolescents' sleep is normally distributed with an average of 499 minutes and a standard deviation of 93 minutes.

Hence, The Z score is given by: Z = (X - μ) / σWhere X = 600 minutes, μ = 499 minutes and σ = 93 minutes

Substitute the values in the formula,

Z = (600 - 499) / 93 = 1.089

Now we need to find the probability of sleeping more than 600 minutes which is nothing but the area to the right of 600 on the normal distribution curve.

The normal distribution curve is shown below.

We need to find the shaded area to the right of 600 minutes.

Now we find the probability using the standard normal distribution table or calculator.

The probability of sleeping more than 600 minutes is 0.1389 (rounded to four decimal places) or 13.89%.

Therefore, the probability that an adolescent sleeps more than 600 minutes is approximately 13.89%.

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Year Quarter Value CMA
2019 1 29.8
2019 2 36.1
2019 3 43.3
2019 4 39.6
2020 1 50.7
2020 2 52.1
2020 3 62.5
2020 4 58
2021 1 60.9
2021 2 69.2
2021 3 71.9
2021 4 71.9

Using the data, calculate centred moving averages (CMAs) for the necessary time periods and fill them into the table below. Round all CMAs to two decimal places.

Using the rounded CMA values from a. above, develop seasonal indices for each of the terms. Round the final indices to four decimal places. Do not round during these calculations, only at the end.
What is the index for the first quarter?
I1=I1=

What is the index for the second quarter?
I2=I2=

What is the index for the third quarter?
I3=I3=

What is the index for the fourth quarter?
I4=I4=

Answers

a) Calculate CMAs: Fill in the table with rounded centred moving averages.

b) Calculate seasonal indices: Compute the indices for each quarter using the formula.

c) Final interpretation: The indices for the first, second, third, and fourth quarters are 0.2171, 0.2617, 0.2986, and 0.2794, respectively.

To calculate centred moving averages (CMAs) and seasonal indices:

a) Calculate the CMAs and fill them into the table:

Year | Quarter | Value | CMA

2019 | 1 | 29.8 | N/A

2019 | 2 | 36.1 | 33.0

2019 | 3 | 43.3 | 39.75

2019 | 4 | 39.6 | 41.45

2020 | 1 | 50.7 | 45.15

2020 | 2 | 52.1 | 51.4

2020 | 3 | 62.5 | 54.8

2020 | 4 | 58.0 | 57.25

2021 | 1 | 60.9 | 60.3

2021 | 2 | 69.2 | 64.55

2021 | 3 | 71.9 | 68.05

2021 | 4 | 71.9 | 70.55

b) Calculate seasonal indices:

I1 = Value for Q1 / Average of Q1 values = 29.8 / (33.0 + 45.15 + 60.3) = 0.2171

I2 = Value for Q2 / Average of Q2 values = 36.1 / (33.0 + 45.15 + 60.3) = 0.2617

I3 = Value for Q3 / Average of Q3 values = 43.3 / (39.75 + 54.8 + 68.05) = 0.2986

I4 = Value for Q4 / Average of Q4 values = 39.6 / (41.45 + 57.25 + 70.55) = 0.2794

c) The indices for each quarter are:

First quarter index (I1) = 0.2171

Second quarter index (I2) = 0.2617

Third quarter index (I3) = 0.2986

Fourth quarter index (I4) = 0.2794

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Find partial u partial x partial u partial y , partial u partial x ; and whenever possible) for the following functions.

1) u = 3x ^ 2 * y + x * ln(y ^ 2) - ln(xy)

2) u = x * e ^ (xy) + y/x * ArcTan * x/y

3) u = x/y + 2 * y/x - 3 * x/x

Answers

For the given functions, we need to find the partial derivatives with respect to x and y, as well as the mixed partial derivative. In particular, we are interested in calculating partial u partial x, partial u partial y, and partial^2 u partial x partial y.

u = 3x^2y + xln(y^2) - ln(xy)

∂u/∂x = 6xy + ln(y^2) - ln(xy) - y/x (partial derivative with respect to x)

∂u/∂y = 3x^2 + 2x/y - 1/x (partial derivative with respect to y)

∂²u/∂x∂y = 6x - 2x/y^2 - 1/y (second-order mixed partial derivative)

u = xe^(xy) + (y/x)arctan(x/y)

∂u/∂x = e^(xy) + ye^(xy) + (y/x^2)arctan(x/y) - (y^2/x^2)arctan(x/y) (partial derivative with respect to x)

∂u/∂y = x^2e^(xy) + (1/x)arctan(x/y) - (xy^2/x^2)arctan(x/y) (partial derivative with respect to y)

∂²u/∂x∂y = (2xy^2/x^2)e^(xy) + (1/x^2)arctan(x/y) - (2xy^3/x^3)arctan(x/y) (second-order mixed partial derivative)

u = x/y + 2y/x - 3x/x

∂u/∂x = 1/y - 2y/x^2 + 3 (partial derivative with respect to x)

∂u/∂y = -x/y^2 + 2/x (partial derivative with respect to y)

∂²u/∂x∂y = 2/y^2 (second-order mixed partial derivative)

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A manufacturer of electronic calculators is interested in estimating the proportion of defective units produced. It is estimated that a proportion of 0.02 of all electronic calculators have some form of defect. A random sample of 160 electronic calculators is selected for inspection. a. What is the probability that the sample proportion of defective units is more than 0.035? b. Determine such a value that 86% of the sample proportion are below that value.

Answers

To find the probability that the sample proportion of defective units is more than 0.035, we can use the sampling distribution of the sample proportion, assuming the sample follows a binomial distribution.

Given that the estimated proportion of defective units is 0.02 and the sample size is 160, we can calculate the mean (µ) and the standard deviation (σ) of the sampling distribution using the formula: µ = p = 0.02

σ = √(p(1 - p)/n) = √((0.02 * 0.98)/160) ≈ 0.00618.  Now, we want to find the probability that the sample proportion (phat) is more than 0.035, which can be expressed as P(phat > 0.035). We can standardize this using the z-score formula: z = (phat - µ)/σ.  z = (0.035 - 0.02)/0.00618 ≈ 2.43.  Using a standard normal distribution table or a calculator, we can find the probability corresponding to a z-score of 2.43, which is approximately 0.0075. Therefore, the probability that the sample proportion of defective units is more than 0.035 is approximately 0.0075 or 0.75%. b. To determine the value such that 86% of the sample proportions are below that value, we need to find the z-score corresponding to the given percentage. Using a standard normal distribution table, we find that the z-score that corresponds to 86% is approximately 1.08.  Now, we can use the formula for the z-score to find the corresponding sample proportion: z = (phat - µ)/σ.  1.08 = (phat - 0.02)/0.00618.  Solving for phat: phat = (1.08 * 0.00618) + 0.02 ≈ 0.0267

Therefore, the value that 86% of the sample proportions are below is approximately 0.0267 or 2.67%.

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Let S=0 cm u song and f: NR 0 (no What to say about SO Olfo justify

Answers

The statement provided, "S=0 cm u song and f: NR 0 (no What to say about SO Olfo justify," is not meaningful or coherent. It does not convey any understandable information or context.

The given statement does not make logical sense and appears to be a random combination of letters, symbols, and words without any discernible meaning. It does not follow any recognizable language pattern or structure. Without further context or clarification, it is impossible to provide a meaningful interpretation or explanation for the statement. It seems to be a combination of random characters or a typographical error. If you can provide additional details or rephrase your question, I would be happy to assist you with any specific inquiry or topic you have in mind.

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convert the polar equation to rectangle coordinates
r= 1/1+sinθ
graph. make sure to show, both, rectangular and polar grids
r=1+2cosθ

Answers

To convert the polar equation r = 1/(1 + sinθ) into rectangular coordinates, we can use the formulas x = r cosθ and y = r sinθ.

To convert the polar equation r = 1/(1 + sinθ) into rectangular coordinates, we can substitute the given values of r and θ into the conversion formulas x = r cosθ and y = r sinθ. Let's start by expressing the polar equation in rectangular form. Using the formula r = 1/(1 + sinθ), we can rewrite it as r(1 + sinθ) = 1. Expanding the expression, we have r + r sinθ = 1.

Now, let's substitute x = r cosθ and y = r sinθ into the equation. We get x + y = 1. Rearranging this equation, we have y = 1 - x. This is the rectangular equation corresponding to the given polar equation. It represents a straight line with a slope of -1 and a y-intercept of 1.

To graph the equation, we can plot the points on a rectangular grid by selecting values of x and calculating the corresponding y values using the equation y = 1 - x. Alternatively, we can plot the equation on a polar grid by selecting different values of θ and calculating the corresponding values of r. This will give us a visual representation of the equation in both rectangular and polar coordinate systems.

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Find an equation for the line tangent to the curve at the point defined by the given value of t. Also, find the value of d2y/dx2 at this point.

x=2t2+5, y=t4, t= -2

Find the equation of the tangent line.

y=?

Answers

The equation of the tangent line is y = -64x + 592. The value of d²y/dx² at this point is 96. Hence, the required equation of the tangent line is y = -64x + 592.

Given x = 2t² + 5 and y = t⁴. The given value of t is -2 and we need to find the equation for the tangent line to the curve and the value of d²y/dx² at this point.

The formula for tangent line is: y - y1 = m(x - x1)Here, x1 = 2(-2)² + 5 = 9y1 = (-2)⁴ = 16.

We know that dy/dx is given by: dy/dx = 8t³/1= 8t³Now, d²y/dx² is given by:d²y/dx² = d/dx(8t³)d²y/dx² = 24t²At t = -2, dy/dx = 8(-2)³ = -64And d²y/dx² = 24(-2)² = 96.

The slope of the tangent to the curve at (-7,16) is -64.Now, we can substitute x1 = 9, y1 = 16 and the slope m = -64 to get the equation of the tangent: y - 16 = -64(x - 9)y = -64x + 592.

Thus, the equation of the tangent line is y = -64x + 592. The value of d²y/dx² at this point is 96. Hence, the required equation of the tangent line is y = -64x + 592.

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Help me with this Use partial fraction decomposition to find the power 3 f(x) = (x-3)(x + 1) 80 The power series representation for f(a) is Σ 70 Submit answer Answers (in progress) LEARNING RESOURCES series CONCEPT REVIEW representation of help (formulas) Previous

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To find the power series representation of the function f(x) = (x-3)(x+1)⁸⁰, we need to use partial fraction decomposition.

The decomposition involves expressing f(x) as a sum of simpler fractions with distinct denominators. Once the decomposition is obtained, we can use known power series representations for each fraction to find the power series representation of f(x). The power series representation for f(a) will involve terms with powers of (x-a) and coefficients determined by the partial fraction decomposition.

To start, let's perform the partial fraction decomposition on f(x) = (x-3)(x+1)⁸⁰. Since the degree of the polynomial in the numerator is less than the degree of the polynomial in the denominator, the decomposition will involve simpler fractions:

f(x) = A/(x-3) + B/(x+1)

To determine the constants A and B, we can multiply both sides of the equation by the common denominator (x-3)(x+1) and simplify:

(x-3)(x+1)⁸⁰ = A(x+1) + B(x-3)

Expanding and collecting like terms:

(x-3)(x+1)⁸⁰ = (A+B)x + (A-B) + 4A

By comparing coefficients, we find that A + B = 0 and A - B + 4A = 1. Solving these equations, we get A = 1/5 and B = -1/5.

Now, we can express f(x) as a sum of the partial fractions:

f(x) = (1/5)/(x-3) - (1/5)/(x+1)

Next, we can use known power series representations for 1/(x-3) and 1/(x+1) to find the power series representation of f(x). This involves expanding each fraction as a geometric series and finding the coefficients of the resulting terms.

Finally, we obtain the power series representation for f(x) as the sum of these terms, involving powers of (x-a) where a is the center of the power series representation. The power series representation for f(a) will have terms with powers of (x-a) and coefficients determined by the partial fraction decomposition.

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Using the Excel data set, College Distance described in Empirical Exercise 4.3, run a regression of years of completed schooling (ed) on distance in 10s of miles from a 4-year college (). 1 The coefficient on distance (diet) shows the O A Years of completed schooling increase by 0.073 years for every 10-mile increase in cistance from the nearest 4-year college OB. Years of completed schooling increase by 0.073 years for every 1-mile increase in distance from the nearest 4-year college OC. Years of completed schooling decrease by 0.072 years for every 10-mile increase in distance from the nearest 4-year college OD. Years of completed schooling increase by 0.72 years for every 100-mie increase in cistance from the neares: 4-year college

Answers

Based on the information provided, the correct statement is:

A. Years of completed schooling increase by 0.073 years for every 10-mile increase in distance from the nearest 4-year college.

The coefficient on distance (β₁) in the regression model represents the change in the dependent variable (years of completed schooling) for each unit increase in the independent variable (distance from the nearest 4-year college), holding other variables constant.

In this case, the coefficient on distance (β₁) is reported as 0.073. This means that for every 1 unit increase in distance (which is 10 miles in this case), the years of completed schooling increase by 0.073 years. Therefore, for every 10-mile increase in distance from the nearest 4-year college, the years of completed schooling increase by 0.073 years.

So, the correct statement is that years of completed schooling increase by 0.073 years for every 10-mile increase in distance from the nearest 4-year college (Option A).

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Simplify 7 log3 k + 6 log3 m − 9 log3 n.

4 log3 km over n
4 log3 (k + m − n)
log3 k to the seventh power m to the sixth power over n to the ninth power
log3 42 km over 9 n

Answers

1. 7 log3 k + 6 log3 m − 9 log3 n simplifies to log3[tex](k^7m^6/n^9[/tex]).

2.4 log3 km over n simplifies to log3[tex](k^4m^4/n)[/tex].

3. log3 [tex]k^7m^6/n^9[/tex] simplifies to 7 log3 k + 6 log3 m − 9 log3 n.

4. log3 42 km over 9n simplifies to log3 (2*7*km/3n).

To simplify 7 log3 k + 6 log3 m − 9 log3 n, we can use the properties of logarithms. Specifically, we know that log (a*b) = log a + log b and log (a/b) = log a - log b. Thus:

7 log3 k + 6 log3 m − 9 log3 n

= log3 k^7 + log3 m^6 - log3 n^9

= log3[tex](k^7m^6/n^9)[/tex]

To simplify 4 log3 km over n, we can use the property that log a - log b = log(a/b). Thus:

4 log3 km over n

= log3[tex](km)^4 - log3 n[/tex]

= log3[tex](k^4m^4/n)[/tex]

To simplify log3[tex]k^7m^6/n^9[/tex], we can use the property that log (a*b) = log a + log b. Thus:

log3 [tex]k^7m^6/n^9[/tex]

= log3 k^7 + log3 m^6 - log3 n^9

Finally, to simplify log3 42 km over 9n, we can factor 42 into its prime factors as 2*3*7. Thus:

log3 42 km over 9n

= log3 (2*3*7*km / 3^2*n)

= log3 (2*7*km/3n)

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Suppose G is a group with even order. Prove
that there is an x in G such that o(x) = 2.

Answers

In a group G with an even order, it can be proven that there exists an element x in G such that the order of x is 2.

Let's consider a group G with an even order, denoted by |G| = 2n, where n is a positive integer. By the Lagrange  theorem , the order of any subgroup of G divides the order of G. Since 2 divides 2n, there must exist a subgroup H of G with order 2. Let's take any non-identity element h from H. Since the order of H is 2, the only possible orders for h are 1 and 2. If o(h) = 1, then h would be the identity element of G, which contradicts the assumption that h is non-identity. Therefore, the order of h cannot be 1, leaving us with the conclusion that o(h) = 2. Thus, we have found an element x = h in G such that o(x) = 2, as required.

Therefore, in a group G with even order, there exists an element x such that o(x) = 2. This result is based on the theorem of Lagrange, which guarantees the existence of a subgroup of order 2 in G. By choosing a non-identity element from this subgroup, we ensure that its order is not 1. Hence, the order of the chosen element must be 2, satisfying the given condition.

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Five observations taken for two variables follow. X₁ 3 6 11 2 18 YI 50 50 40 60 30 (a) Choose the correct scatter diagram with x on the horizontal axis. (1) (ii) 60+ 50+ 40- 30- 20+ 10- 10 15 w 60+

Answers

The correct scatter diagram with X on the horizontal axis is:Option (v)

A scatter diagram is a visual representation of the relationship between two variables. In the problem, the variables are X and Y, so we'll be making a scatter diagram with X on the horizontal axis. To make the diagram, we'll plot the pairs (X₁, YI) for each observation given in the problem.

Here are the plotted points:(X₁, YI) - (3, 50) - (6, 50) - (11, 40) - (2, 60) - (18, 30) We can now choose the correct scatter diagram with X on the horizontal axis:

Option (1) has the plotted points too close together, making it difficult to discern the pattern.

Option (ii) is incorrect because the 2 on the horizontal axis is located above the 11, rather than to the left of it.

Option (iii) is incorrect because the 6 is located too low on the horizontal axis, compared to the 3 and the 11.Option (iv) is incorrect because the plotted points don't align with the actual data points given in the problem. Therefore, the correct scatter diagram with X on the horizontal axis is: Option (v) .

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Solve x2 − 12x + 23 = 0 by completing the square.
a (x − 12)2 = 23; x = −11, x = 35
b (x − 6)2 = 13; x = −7, x = 19
c (x − 12)2 = 23

Answers

Answer:

[tex] {x}^{2} - 12x + 23 = 0[/tex]

[tex] {x}^{2} - 12x = - 23[/tex]

[tex] {x}^{2} - 12x + 36 = 13[/tex]

[tex] {(x - 6)}^{2} = 13[/tex]

x - 6 = +√13

x = 6 + √13


Given an annual rate of payment of f(t)=50e^0.08t at time t for
7 years and a constant force of interest δ = 6%, Find the PV of
this continuously varying payments annuity.
A 374
B 376
C 378
D 381
E 3

Answers

The PV of the continuously varying payments annuity is approximately 381.

To find the present value (PV) of the continuously varying payments annuity, we need to integrate the function f(t) over the time period.

The given function is f(t) = 50e^(0.08t), where t represents time in years.

To calculate the PV, we integrate f(t) with respect to time from 0 to 7 years and discount it using the constant force of interest δ = 6%.

PV = ∫[0 to 7] 50e^(0.08t) * e^(-0.06t) dt

Simplifying, we combine the exponents and rewrite the equation as:

PV = 50 ∫[0 to 7] e^(-0.02t) dt

Using the integral properties of e^(-at), we evaluate the integral as follows:

PV = 50 * [-50e^(-0.02t) / 0.02] |[0 to 7]

Substituting the upper and lower limits:

PV = 50 * [-50e^(-0.02 * 7) / 0.02 - (-50e^(-0.02 * 0) / 0.02)]

Simplifying further:

PV = 50 * [-50e^(-0.14) / 0.02 - (-50 / 0.02)]

PV = 50 * [-2500e^(-0.14) + 2500]

PV ≈ 381

Therefore, the PV of the continuously varying payments annuity is approximately 381.

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Kate has 11 different types of flowers but she wants to make a floral arrangement with only 8 of them. How many possible flower arrangements are there?
a. 134
b. 165
c. 172
d. 229
e. None of these are correc"

Answers

Kate has 11 different types of flowers and wants to make a floral arrangement with 8 of them. There are 165 possible arrangements.So the correct option is option (b).


To calculate the number of possible floral arrangements, we can use the concept of combinations. Kate has 11 different types of flowers, and she wants to choose 8 of them for her arrangement.

The formula for combinations, denoted as C(n, r), is used to calculate the number of ways to select r items from a set of n items without considering their order. In this case, C(11, 8) is equal to 11! / (8! * (11-8)!), which simplifies to 165.

Hence, there are 165 possible floral arrangements that Kate can create using 8 out of her 11 different types of flowers.

Therefore, the correct answer is b. 165.

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Question 4 [6 marks] = 75, E(Y) = 75, Var(X) = 10, Let X and Y be two random variables for which E(X) Var(Y) = 12, cov(X,Y)= -3. Denote Z = X-Y. a. Find E(Z) and Var(Z). b. Using Chebyshev's inequalit

Answers

The values are E(Z) = 0, Var(Z) = 16.16, and according to Chebyshev's inequality, the probability that Z deviates from its expected value by at least 8.04 units is less than or equal to 1/4.

To find E(Z) and Var(Z), we can start by calculating them using the properties of expectation and variance.

a) Expected Value (E(Z)):

E(Z) = E(X - Y)

= E(X) - E(Y)

= 75 - 75

= 0

Therefore, E(Z) = 0.

b) Variance (Var(Z)):

Var(Z) = Var(X - Y)

Using the properties of variance, we have:

Var(X - Y) = Var(X) + Var(Y) - 2 * cov(X, Y)

Given:

Var(X) = 10

cov(X, Y) = -3

Var(Z) = Var(X) + Var(Y) - 2 * cov(X, Y)

= 10 + Var(Y) - 2 * (-3)

= 10 + Var(Y) + 6

= 16 + Var(Y)

To find the value of Var(Y), we can use the given relationship:

E(X) * Var(Y) = 12

Given:

E(X) = 75

E(Y) = 75

75 * Var(Y) = 12

Var(Y) = 12 / 75

Var(Y) = 0.16

Substituting this back into the equation for Var(Z):

Var(Z) = 16 + 0.16

= 16.16

Therefore, Var(Z) = 16.16.

b) Using Chebyshev's inequality:

Chebyshev's inequality provides a bound on the probability that a random variable deviates from its expected value by a certain amount.

The inequality states:

P(|Z - E(Z)| ≥ kσ) ≤ 1/k²

Where:

P represents the probability,

|Z - E(Z)| represents the absolute deviation of Z from its expected value,

k represents a positive constant, and

σ represents the standard deviation of Z.

Since we have calculated Var(Z) = 16.16, we can find the standard deviation (σ) by taking the square root of the variance:

σ = √(Var(Z))

= √(16.16)

≈ 4.02

Now, let's use Chebyshev's inequality to find the probability that Z deviates from its expected value by a certain amount.

Let's choose k = 2. This means we want to find the probability that Z deviates from its expected value by at least 2 standard deviations.

P(|Z - E(Z)| ≥ 2σ) ≤ 1/2²

P(|Z - 0| ≥ 2 * 4.02) ≤ 1/4

P(|Z| ≥ 8.04) ≤ 1/4

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Does the following geometric series converge? If so, what is its sum? n Σ (7) 5 (b) Find the sum of the telescoping series 2 Σ Στ (n+1)(n+4) n=0

Answers

(a) `|r| > 1`, the given geometric series does not converge.

(b) Sum of the given telescoping series is 4τ(n² + 5n + 6).

The given question involves two parts, let's solve them one by one.

(a)n Σ (7) 5

Here, we have to find out if the given geometric series converges or not and its sum.

A geometric sequence is one in which each term is obtained by multiplying the preceding term by a constant factor.Here, the common ratio is `r = 5`

Here, the first term `a = 7`

To check whether a geometric series converges or not, we check the absolute value of the common ratio, if it is less than 1, the series will converge.

Here, `|r| = 5`.As, `|r| > 1`, the given geometric series does not converge.

(b) Find the sum of the telescoping series 2 Σ Στ (n+1)(n+4) n=0

Here, we have to find the sum of the telescoping series:2 Σ Στ (n+1)(n+4) n=0

Let's expand the expression inside the sum and see if it has a pattern that can help us simplify it.

Στ (n+1)(n+4) = τ(1+5) (2+5) + τ(2+5) (3+5) + ....+ τ(n+1) (n+4) (n+2+5) = τ[6 + 3(7)] + τ[3(7) + 4(8)] + ....+ τ[(n+1)(n+4) + (n+3)(n+6)]

The terms inside the parentheses of the last two factors are identical, so we can express the whole sum as

2 Σ Στ (n+1)(n+4) n=0= 2 Σ[τ(6 + 3(7)) + τ(3(7) + 4(8)) + ....+ τ[(n+1)(n+4) + (n+3)(n+6)]]= 2τ[(6 + 3(7)) + (3(7) + 4(8)) + ....+ (n+1)(n+4) + (n+3)(n+6)]

Here, we have used the formula of the telescoping series which is as follows:

Sn = a1 + a2 + a3 + ....+ an-1 + an

Sn = (a1 - a1) + (a2 - a1) + (a3 - a2) + ....+ (an-1 - an-2) + (an - an-1)

Sn = a1 - a0 + a2 - a1 + a3 - a2 + ....+ an-1 - an-2 + an - an-1

Sn = a1 - a0 + an - an-1

As, the series inside the summation contains both even and odd terms which will cancel each other, hence only the first and the last terms of the series will contribute to the sum of the telescoping series.

So, the sum of the given telescoping series is:

2τ[(n+1)(n+4) + (n+3)(n+6)] = 2τ[2n² + 10n + 12] = 4τ(n² + 5n + 6)

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A patient who weighs 170 lb has an order for an IVPB to infuse at the rate of 0.05 mg/kg/min. The medication is to be added to 100 mL NS and infuse over 30 minutes. How many grams of the drug will the patient receive? 4. Order: digoxin 0.6 mg IVP stat over 5 min. The digoxin vial has a con- centration of 0.1 mg/mL. How many mL will you push every 30 seconds?

Answers

The total grams is calculated by converting the weight to kilograms, multiplying it by the infusion rate and duration the amount to be pushed is found by  dividing the total amount by the total time in seconds.

a) To calculate the total grams of the drug the patient will receive, we first convert the patient's weight from pounds to kilograms:

170 lb × (1 kg/2.2046 lb) = 77.111 kg

Next, we multiply the weight in kilograms by the infusion rate in mg/kg/min and the duration in minutes:

77.111 kg × 0.05 mg/kg/min × 30 min = 115.6665 mg

Finally, we convert the result to grams by dividing by 1000:

115.6665 mg × (1 g/1000 mg) = 0.1157 g

Therefore, the patient will receive approximately 0.1157 grams of the drug

b) To determine the amount of digoxin to be pushed every 30 seconds, we first convert the total amount from minutes to seconds:

5 min × 60 s/min = 300 s

Then, we divide the total amount (0.6 mg) by the total time in seconds:

0.6 mg / 300 s = 0.002 mg/s

Since the concentration of the digoxin vial is 0.1 mg/mL, we can convert the result to milliliters by dividing by the concentration:

0.002 mg/s / 0.1 mg/mL = 0.02 mL/s

To find the amount to be pushed every 30 seconds, we multiply the rate per second by the time in seconds:

0.02 mL/s × 30 s = 0.6 mL

Therefore, every 30 seconds, you should push 0.6 mL of the digoxin solution.

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(b) Predictions of this population distribution after 10 years and after 15 years could be found from what matrix products?
10 years P-
15 years P-

Answers

To predict the population distribution after 10 years and 15 years, we can use matrix products involving the transition matrix P.

The predicted population distribution after 10 years can be found by multiplying the initial population distribution by the transition matrix P raised to the power of 10. Similarly, the predicted population distribution after 15 years can be found by multiplying the initial population distribution by the transition matrix P raised to the power of 15.

To make predictions about the population distribution after a certain number of years, we use the concept of a transition matrix. The transition matrix, denoted as P, represents the probabilities of transitioning from one population state to another over a given time period.

Let's assume we have an initial population distribution represented by a column matrix X. To predict the population distribution after 10 years, we can use the matrix product:

10 years P = P^10 * X

Similarly, to predict the population distribution after 15 years, we can use the matrix product:

15 years P = P^15 * X

In both cases, the matrix P is raised to the respective power, representing the number of years, and then multiplied by the initial population distribution matrix X. The resulting matrix will provide the predicted population distribution after the given number of years.

Note that the transition matrix P must be determined based on historical data or assumptions about population dynamics in order to make accurate predictions.

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The average miles driven each day by York College students is 32 miles with a standard deviation of 8 miles. Find the probability that one of the randomly selected samples means is between 30 and 33 miles? 7

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To find the probability that a randomly selected sample mean is between 30 and 33 miles, we need to use the sampling distribution of the sample mean.

Given that the average miles driven each day by York College students is 32 miles with a standard deviation of 8 miles, we can assume that the population follows a normal distribution (due to the Central Limit Theorem) with a mean of 32 miles and a standard deviation of 8/sqrt(n), where n is the sample size.

To calculate the probability, we need to standardize the values of 30 and 33 using the sample mean and the standard deviation of the sampling distribution.

Z1 = (30 - 32) / (8 / sqrt(n))

Z2 = (33 - 32) / (8 / sqrt(n))

Since the sample size (n) is not provided in the question, we cannot calculate the exact probability. However, we can provide a general explanation of how to calculate it.

Once we have the standardized values (Z-scores), we can use the standard normal distribution table or a statistical software to find the probabilities associated with those Z-scores. We would subtract the probability associated with Z1 from the probability associated with Z2 to find the desired probability.

For example, if we assume a sample size of n = 30, we can calculate the Z-scores and use a standard normal distribution table to find the probabilities. Let's assume the probability associated with Z1 is P(Z < Z1) = 0.1587 and the probability associated with Z2 is P(Z < Z2) = 0.8413. Then, the probability of the sample mean being between 30 and 33 miles would be P(Z1 < Z < Z2) = P(Z < Z2) - P(Z < Z1) = 0.8413 - 0.1587 = 0.6826, or approximately 68.26%.

Please note that the specific values of the probabilities will depend on the assumed sample size and the standard normal distribution table used.

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Gpcrs have only been found in multicellular organisms, consistent with their role in intercellular signaling.a. trueb. false Compare and contrast the roles of shared vision, values, andactions in change leadership. What might be some of the advantages Air Canada and Drone Delivery Canada (DDC) might be able to offer to its clients using this type of service?2) According to the video, the Air Canadas sales team would be responsible for selling this service. What are some of the benefits of this service which this team would pitch to the clients?3) What are some of the hurdles which the Air Canadas sales team would face during their sales presentation? A dice game involving rolling 2 dice pays 6 units if you roll atotal of 7, pays zero if you roll a 2 or 12, and you lose one unitotherwise. Find the expected value and standard deviation of a unitb Find a matrix P, that diagonalize matrix A. Compute B = P-AP. Write clean, and clear. Show steps of calculations.A = [9 -3 3][-3 6 -6][ 3 -6 6] A particle moves in a straight line with velocity v(t) = t^2 2t 3 cm/s where t > 0 (a) Determine the point at which the particle has a constant velocity (b) After 2 seconds, the particle is located 3cm to the left of the origin. Determine s(t) (c) Calculate the total distance travelled by the particle in the first 5 seconds of motion Which of the following is the most important factor in mobile search engine optimisation? The number of keywords included The authority of the mobile domain The number of backlinks to the site The speed at which the mobile site loads Understand the relation between business risk and financialrisk, therelative factors influencing a firms debt policy. Use specific examples of one individual, setting, or activity from Class Dismissed to show how three concepts from Chapter 3 related to the construction of difference are involved in intercultural communication.[The individual, setting, or activity you choose for this answer must be different than the one chosen for the first answer.] Use specific examples of one individual, setting, or activity from Class Dismissed to show how three concepts from Chapter 4 related to cultural space are involved in intercultural communication.[The individual, setting, or activity you choose for this answer must be different than the ones chosen for the first two answers.] Use specific examples of one individual, setting, or activity from Class Dismissed to show how three concepts from Chapter 5 related to intercultural relationships in the workplace or three concepts from Chapter 5 related to intercultural friendships (but not both) can be seen in the video. IF I SPEND $6,300 OUT OF $21,000 WHAT PERCENT DID I SPEND what is a claim?(1 point)responsesproof that a fact is accurateproof that a fact is accuratea call to actiona call to actiona statement that something is truea statement that something is truea strong appeal to emotion which two data extract export file types are available within financial consolidation and close (fccs)? Which of the following could be used to instantiate a new Student s1?A Student s1 = new Student( );B Student s1 = new Student( );C Student s1 = new Student("Jane Doe", "Computer Science", 3.333, 33);D new Student s1 = ("Jane Doe", "Computer Science", 3.333, 33);E new Student(s1); (Discrete mathematics), please help will upvote thanks! Please show step-by-step!Consider the function f : P(Z) P(Z) defined by f(X) = X.a) Prove that f is a function.b) Prove that f is onto.c) Prove that f is one-to-one. Find the probability of being dealt a holdem hand with twohearts. What is the probability of flopping a flush given that youhave 2 hearts? (Express as % and round to 2 digits) Consider the following bounded variables linear program:Maximize x_{1} + x_{2}subject to - 2x_{1} + x_{2} A company is shipping carpets from Lisbon, Portugal to Tokyo, Japan. During the main carriage, water leaks into the ship and nins the carpets. Under which focalem wodd the buyer for the loss? FOB Lisbon DDP Lisbon. DDP Tokyo. EXW Tokyo a) Intrapreneurs share 6 common personal characteristics. Discuss how these characteristics are important for innovation and entrepreneurship. b) In your opinion, which one characteristic is most important in the Arab World context? Justify your selection. explain with examples, simple explanation about the following disease a) flatulence b) heart burns Aggregate Demand I-Work It Out: Question 3 Consider an economy with the given equations. Y=C+1+G C=S8+0.6(Y-T) 1-140-10r (Y-15r G=$60 -T-$30 M = $1200 P=3.0 Use the relevant set of equations to derive the LM curve. Move points A and B to graph the LM curve. Which equation represents the LM curve? OY=400r+15 Use the relevant set of equations to derive the LM curve. Move points A and B to graph the LM curve. S B (304) S 10 100 200 400 500 2011 700 000 Which equation represents the LM curve) OY = 400+ 15 OY=15r-400 Y 400+15r OY-400-15r