Function g is defined as follows:
This function has an inverse.

What is g^-1 (-7)

Function G Is Defined As Follows:This Function Has An Inverse.What Is G^-1 (-7)

Answers

Answer 1

This solution of g(x) has no real solutions, so g⁻¹ (-7) does not exist.

To find g⁻¹ (-7), we need to solve for x in the equation g(x) = -7.

First, we need to determine which part of the piecewise function to use. Since -7 is less than 5, we know that we need to use the first part of the function: g(x) = 5x² if x ≤ -3.

So, we set g(x) = 5x² equal to -7 and solve for x:

5x² = -7

x² = -7/5

This equation has no real solutions since the square of any real number is always nonnegative. Therefore, g⁻¹ (-7) does not exist in the real numbers.

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Related Questions

Living things can inherit behavior, learn it from other creatures, or change their behavior because of their environment. Which example describes learned behavior in a living thing? (SC. 5. L. 17. 1)


Sunflowers turn to face the Sun to help them grow.


Most humans begin to speak when they are one or two years old.


Glowing Click Beetles can produce light from the back of their head for protection.


A sea turtle that hatches on a beach will crawl toward the ocean

Answers

The example describes learned behavior in a living thing is give by Most humans begin to speak when they are one or two years old, option B.

Living creatures include bacteria, fungus, algae, protozoans, plants, and animals. Organisms are another word for living things. Because living things behave differently from nonliving things, scientists can distinguish between the two. On Earth, there are around 1.5 million different species of living organisms, according to scientists.

With the use of their own energy, all living things can move. Plants remain stationary, yet they move their leaves to catch the sunshine. Additionally sensitive or perceptive are living things. Simplest living forms just have a feeling of warmth and cold or can only feel when they are touched.

Chemicals are ingested and expelled by living beings. Carbon dioxide is exhaled and oxygen is inhaled by animals. Through their leaves, green plants absorb carbon dioxide and exhale oxygen. All living things require the vitamins and energy that food provides. Green plants use sunlight to produce their own sustenance. For energy, animals consume both vegetation and other creatures. Waste is also released by organisms.

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Most humans begin to speak when they are one or two years old. This example describes learned behavior in a living thing, as humans learn to speak by observing and imitating the speech of others around them.

Babies first begin to discriminate between distinct sounds, such as vowels and consonants, by listening to the speech of those around them.

The sounds they have heard are then repeated by them. They gradually begin to blend the sounds to create words.

Eventually, when babies hear more spoken language, they start to comprehend the meanings of the words and can utilise them appropriately.

As their vocabulary and linguistic knowledge increase, they become more fluent speakers and are able to communicate effectively. Language acquisition is a difficult process that takes many years of exposure and practise to master.

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Emma doesn’t have $300 now, but she plans to get a job when she gets to college. she wants to find out how much it will cost her if she doesn’t pay off her credit card until after college. find how much she’ll owe in four years. these are the terms of her credit card:

it has a 15% yearly interest rate.
the interest is compounded monthly.
the card has $0 minimum payments for the first four years it is active.

Answers

If it has a 15% yearly interest rate and the interest is compounded monthly and the card has $0 minimum payments for the first four years it is active. Therefore, Emma will owe approximately $529.27 in four years.

To calculate how much Emma will owe in four years, we need to use the compound interest formula: A = P (1 + r/n)^(n*t)

where:

A = the amount of money at the end of the investment period

P = the principal amount (the initial amount of money borrowed)

r = the annual interest rate (as a decimal)

n = the number of times the interest is compounded per year

t = the time period in years

In this case, the principal amount is $300, the annual interest rate is 15%, and the interest is compounded monthly (so n = 12). The time period is four years.

Plugging in the values, we get:

A = 300(1 + 0.15/12)^(12*4)

A ≈ $529.27

Therefore, Emma will owe approximately $529.27 in four years if she doesn't pay off her credit card until after college.

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Find all solutions of the equation algebraically.
|x| = x2 + x − 35

Answers

The solutions of the equation algebraically are x = 5 and x = -7

How to determine the value

From the information given, we have the quadratic equation;

|x| = x2 + x − 35

The sign , '| |' represents the modulus sign and says that the value must be a positive value.

Then, we have;

x² + x + x - 35

add the like terms

x² + 2x - 35

Find the pair factors of -35 that add up to 2, we have;

x² + 7x - 5x - 35

Group the expression in pairs

(x² + 7x) - (5x - 35)

factorize the expression

x(x + 7) - 5(x + 7)

Then, we have that;

x - 5 = 0

x = 5

x + 7 = 0

x = -7

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The chart below represents the number of marbles in a jar.

Answers

The probability that a marble selected from the jar is green, P(green) = 5/19. The correct option is therefore;

5/19

What is the theoretical probability of an event occurring?

The theoretical probability that an event will occur is the ratio of the number of required event to the number of all possible events occurring.

The required parameter is the probability of marble in the jar to be green, P(green)

The number of each color of marbles in the jar are;

Red = 5, Yellow = 11, Blue = 7, Green = 10, Brown = 5

The total number of marbles in the jar is therefore;
5 + 11 + 7 + 10 + 5 = 38

The probability that a marble in the jar is green, P(green) = 10/38 = 5/19

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An amusement park charges $4. 25 for admission, plus $1. 50 for each ride ticket. Chase has $30 to spend on admission and ride tickets. What is the greatest number of ride tickets Chase can buy?

Answers

The greatest number of ride tickets Chase can buy is 17 and spend $30 for total cost of admission.

To solve this problem, we need to use algebraic equations. Let x be the number of ride tickets that Chase can buy. We know that the total amount of money Chase can spend on admission and ride tickets is $30, so we can write:

4.25 + 1.5x = 30

To solve for x, we can isolate the variable by subtracting 4.25 from both sides and then dividing by 1.5:

1.5x = 25.75
x = 17.17

Since Chase can't buy a fractional number of ride tickets, we need to round down to the nearest whole number. Therefore, Chase can buy a maximum of 17 ride tickets with his $30 budget.

To double-check our answer, we can calculate the total cost of admission and 17 ride tickets:

4.25 + 1.5(17) = 29.25

This is less than $30, so it is indeed possible for Chase to buy 17 ride tickets within his budget.

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To the nearest hundredth, what is the value of x?

Use a trigonometric ratio to compute a distance

Answers

Therefore, the value of x to the nearest hundredth is approximately 72.73 units.

What is triangle?

A triangle is a geometrical shape that consists of three straight sides and three angles. It is a polygon with three vertices, and the sum of its interior angles always adds up to 180 degrees. Triangles are classified based on the length of their sides and the measure of their angles. The most common types of triangles are equilateral, isosceles, and scalene, based on the length of their sides, and acute, right, and obtuse, based on the measure of their angles. Triangles have a wide range of applications in mathematics, physics, engineering, and other fields.

Here,

Therefore, in this triangle, sin(67°) = 67/x, where x is the length of the hypotenuse.

We can rearrange this equation to solve for x:

x = 67 / sin(67°)

Using a calculator, we find that sin(67°) is approximately 0.921, so:

x = 67 / 0.921

x ≈ 72.73

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The length of the sides of 3 square are s, s+1 and s+2. find the total perimeter of their total area is 245 square units.

Answers

The side lengths of the three squares are 8, 9, and 10, and the total perimeter is 27 units.

How to find  the total area of the squares?

Let's call the side length and perimeter of the first square "s", the second square "s+1", and the third square "s+2".

The area of a square is given by the formula A =[tex]s^2[/tex], where A is the area and s is the side length.

So the total area of the three squares is:

A_total =[tex]s^2[/tex] + (s+1[tex])^2[/tex] + (s+2[tex])^2[/tex]

We are given that the total area is 245 square units:

A_total = 245

Substituting this into our expression for A_total, we get:

245 =[tex]s^2[/tex] + (s+1[tex])^2[/tex] + (s+2[tex])^2[/tex]

Expanding the squares, we get:

245 = 3[tex]s^2[/tex]+ 6s + 5

Simplifying, we get a quadratic equation:

3[tex]s^2[/tex]+ 6s - 240 = 0

Dividing by 3, we get:

[tex]s^2[/tex] + 2s - 80 = 0

We can factor this quadratic as:

(s+10)(s-8) = 0

So s = -10 or s = 8. Since s must be positive (it represents a side length), we have:

s = 8

Therefore, the side lengths of the three squares are 8, 9, and 10.

The total perimeter is the sum of the side lengths of the three squares:

P_total = s + (s+1) + (s+2)

P_total = 8 + 9 + 10

P_total = 27

Therefore, the total perimeter is 27 units.

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1. Numbers arranged in a specific order factorial 2. An array of numbers 0! 3. A symbol for a sum Sigma 4. A series whose terms are formed by addition series 5. 1 combinations 6. A series whose terms are formed by multiplication geometric series 7. Symbol is ! permutation 8. A set of elements that does not consider order sequence 9. A study of likelihoods Pascal's triangle 10. A sum of numbers in a specific order probability 11. A set of elements in a specific order arithmetic series

Answers

1) Factorial - Numbers arranged in a specific order.

2) 0! - An array of numbers.

3) Sigma - A symbol for a sum.

4) Addition series - A series whose terms are formed by addition.

5) Combinations - 1.

6) Geometric series - A series whose terms are formed by multiplication.

7) ! - Permutation.

8) Sequence - A set of elements that does not consider order.

9) Pascal's triangle - A study of likelihoods.

10) Probability - A sum of numbers in a specific order.

11) Arithmetic series - A set of elements in a specific ord


1. Factorial: A product of all positive integers up to a given number (n!). For example, 5! = 5 x 4 x 3 x 2 x 1 = 120.

2. Array of numbers 0!: 0! is defined to be 1. This is a convention to simplify mathematical expressions and formulas.

3. Sigma (Σ): A symbol used to represent the sum of a series of numbers, typically written as Σ(expression) with specified lower and upper limits.

4. Series: A sequence of terms formed by adding the terms of a sequence. An example of an addition series is 1 + 2 + 3 + 4 + 5.

5. Combinations: The number of ways to choose a specific subset of items from a larger set without regard to the order in which they are chosen.

6. Geometric Series: A series whose terms are formed by multiplying each term by a constant factor. For example, 1, 2, 4, 8, 16 is a geometric series with a constant factor of 2.

7. Permutation: An arrangement of elements from a set where the order of the elements matters.

8. Sequence: A set of elements that does not consider order. It is a list of numbers or objects arranged according to a specific rule.

9. Pascal's Triangle: A triangular array of numbers in which the first and last number in each row is 1, and each of the other numbers is the sum of the two numbers above it. Pascal's Triangle is used to study the likelihoods and combinatorics.

10. Probability: A measure of the likelihood that a particular event will occur. It is the sum of the probabilities of all possible outcomes in a specific order, expressed as a number between 0 and 1.

11. Arithmetic Series: A set of elements in a specific order where each term is formed by adding a constant difference to the preceding term. For example, 2, 5, 8, 11, 14 is an arithmetic series with a constant difference of 3.

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There’s are 12 levels in Kianah’s new video game. If he plays the same number of levels each day, what are all the possibilities for the number of days he could doesn’t playing the game without repeating a level

Answers

Kianah can finish the game in 1, 2, 3, 4, 6, or 12 days, depending on how many levels he plays each day.

To find all the possibilities for the number of days Kianah can play the game without repeating a level, we need to find all the factors of 12. The factors of 12 are 1, 2, 3, 4, 6, and 12. These are all the possible numbers of levels Kianah can play each day without repeating a level.

If Kianah plays 1 level each day, he will finish the game in 12 days. If he plays 2 levels each day, he will finish in 6 days. If he plays 3 levels each day, he will finish in 4 days. If he plays 4 levels each day, he will finish in 3 days. If he plays 6 levels each day, he will finish in 2 days. And if he plays all 12 levels each day, he will finish in 1 day.

Therefore, Kianah can finish the game in 1, 2, 3, 4, 6, or 12 days, depending on how many levels he plays each day. It's important to note that these possibilities assume that Kianah is able to complete all the levels he plays each day without getting stuck or repeating any levels.

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Please help I need this done NOW!

Answers

The volume of the different shapes have been calculated in the space below

How to find volume

Volume of rectangular prism = lwh

where we define the variables as :

l = length

w = width

h = height

then when we multiply, we will have

= 4 x 10 x 6

= 240

Volume of triangular pyramid = 1 / 3 b x h

where b = base

h = height

1 / 3 x 1.5 x 2

= 1

Volume of rectangular pyramid = lwh / 3

= 7.5 x 4.5 x 5 / 3

= 56.25

Volume of triangular prism

= 1/2 x b x h x l

= 1/2 x 3 x 8.5 x 7

= 89.25

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You invest $2500 in an account to save for college. account 1 pays 6%annual interest compounded quarterly. account 2 pays 4% annual interest compounded continuously. which account should you choose to obtain the greater amount in 10 years?



account 1


or


account 2

Answers

You should choose Account 1 to obtain the greater amount in 10 years. Account 1 will have a higher balance after 10 years.

Account 1 pays 6% annual interest compounded quarterly, which means the interest is calculated and added to the principal four times a year. You can use the formula A = P(1 + r/n)^(nt) to calculate the future value, where A is the final amount, P is the principal ($2500), r is the annual interest rate (0.06), n is the number of times compounded per year (4), and t is the number of years (10).

Account 2 pays 4% annual interest compounded continuously. You can use the formula A = Pe^(rt) to calculate the future value, where A is the final amount, P is the principal ($2500), e is the base of the natural logarithm (approximately 2.71828), r is the annual interest rate (0.04), and t is the number of years (10).

When you compare the final amounts for both accounts, Account 1 will have a higher balance after 10 years.

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Which corectly renames 7/8 and 5/6 using a common denominator

Answers

The 7/8 and 5/6, when renamed using a common denominator of 24, become 21/24 and 20/24

How we find the common denominator?

The two fractions 7/8 and 5/6 need to be renamed using a common denominator.

To find the common denominator, we must first identify a common multiple of the denominators 8 and 6.

The smallest common multiple of 8 and 6 is 24. We can convert both fractions to have a denominator of 24 by multiplying the numerator and denominator of 7/8 by 3/3 and the numerator and denominator of 5/6 by 4/4.

This results in 21/24 and 20/24, respectively.  

Renaming fractions with a common denominator allows us to compare them more easily or perform arithmetic operations on them, which is essential in mathematical problem-solving.

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What is the difference between factored form and non-factored form?

Answers

Factored form is a way of expressing a polynomial as a produce of factors, place each factor is a polynomial accompanying a degree of 1 or greater.

Factored form, on the other hand, is the polynomial terms written in polynomial  expanded form, outside any universal factors.

What is the difference?

Factored and non-factored forms are ways to express polynomial expressions, which involve variables raised to non-negative integer powers with constant coefficients. X² + 3x + 2 is a polynomial expression.

Factored form is expressing it as a product of factors with a degree of 1 or greater. The polynomial x² + 3x + 2 can be factored as (x + 1)(x + 2). Non-factored form is the expanded expression without common factors. The polynomial (x + 1)(x + 2) can be expressed as x² + 3x + 2 in non-factored form. Factored form is a product of factors, while non-factored form is the expanded form without common factors.

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Find the surface area of the composite figure.
3 cm
5 cm
4 cm
8 cm
10 cm
SA =
8 cm
5 cm
7 cm
[?] cm²
If you'd like,
you can use a
calculator.
Enter please help I don’t want to fail!

Answers

The surface area of the composite figure is given as follows:

446 cm².

What is the surface area of a rectangular prism?

The surface area of a rectangular prism of height h, width w and length l is given by:

S = 2(hw + lw + lh).

This means that the area of each rectangular face of the prism is calculated, and then the surface area is given by the sum of all these areas.

The figure is this problem is given by the composition of two rectangular prisms, with dimensions given as follows:

5 cm, 10 cm and 7 cm.8 cm, 4 cm and 3 cm.

Hence the surface area is given as follows:

S = 2 x (5 x 10 + 5 x 7 + 10 x 7) + 2 x (8 x 4 + 8 x 3 + 4 x 3)

S = 446 cm².

Missing Information

The prism is given by the image presented at the end of the answer.

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Find the absolute maximum value on (0, [infinity]) for f(x)= x^7/e^x.

Answers

The absolute maximum value on the interval (0, infinity) for the function f(x) = x^7/e^x is 7^7/e^7.

To find the absolute maximum value on the interval (0, infinity) for the function f(x) = x^7/e^x, we need to follow these steps:

1. Find the first derivative of the function, f'(x), to determine the critical points where the function might have a maximum or minimum.
2. Evaluate the first derivative at the critical points and determine if it changes sign, indicating a maximum or minimum.
3. Verify if the function has an absolute maximum on the given interval.

Step 1: Find the first derivative f'(x) using the quotient rule.
f'(x) = (e^x * 7x^6 - x^7 * e^x) / (e^x)^2

Step 2: Simplify f'(x) and find the critical points.
f'(x) = x^6(7 - x) / e^x
f'(x) = 0 when x = 0 (not included in the interval) or x = 7

Step 3: Evaluate the first derivative around the critical point x = 7 to determine if it's a maximum or minimum.
f'(x) > 0 when 0 < x < 7, and f'(x) < 0 when x > 7, which indicates that x = 7 is an absolute maximum point.

Now we can find the absolute maximum value by plugging x = 7 into the original function, f(x):
f(7) = 7^7/e^7

Thus, the absolute maximum value on the interval (0, infinity) for the function f(x) = x^7/e^x is 7^7/e^7.

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True or false.

Solids with curves (such as cylinders) cannot be laid out as a net.

Answers

Answer:

Step-by-step explanation:

False.

Solids with curves can be laid out as a net. In fact, there are many solids with curves that can be represented by a net. For example, a cylinder can be represented by a net consisting of two circles for the top and bottom faces and a rectangle wrapping around the circumference of the circles for the side face. Similarly, a cone can be represented by a net consisting of a circle for the base and a sector of a circle for the lateral face, which can be unfolded and attached to the circular base.

While it may be more difficult to visualize and create a net for a solid with curves compared to a solid with flat faces, it is still possible to do so in many cases.

A circular donut sign has a radius of 3 feet enter the area in square feet of the donut sign round your answer to the nearest 10th

Answers

The area of the donut sign with a radius of 3 feet is approximately 84.8 square feet when rounded to the nearest 10th.

The area of a donut sign can be calculated by subtracting the area of the inner circle from the area of the outer circle. The area of the outer circle can be found using the formula A = πr^2, where r is the radius of the circle.

Thus, the area of the outer circle of the donut sign is A1 = π(3)^2 = 9π square feet. Similarly, the area of the inner circle is A2 = π(0.5)^2 = 0.25π square feet, where the radius of the inner circle is 0.5 feet (which is the radius of the circular hole in the donut sign).

Therefore, the area of the donut sign can be calculated as A1 - A2 = 9π - 0.25π = 8.75π square feet. Using the value of π ≈ 3.14, we get the area of the donut sign as approximately 27.43 square feet. Rounding this value to the nearest 10th gives the final answer of approximately 84.8 square feet.

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You roll a 6-sided die.what is p(even or divisor of 3)?simplify your answer and write it as a fraction or whole number.

Answers

Answer: 5/6

Step-by-step explanation:

probabilities = possibilities/outcome

To get an even you can possible roll 2, 4, 6 with 6 total outcomes

P(even) = probability of getting an even = 3/6

To get a divisor of 3: only 3 and 6 can be divided by 3

P(divisor of 3)=2/6

Because of the or in the statement, you add the 2 probabilities

P(even or divisor of 3) =  3/6+2/6 = 5/6

I want solve this help me

Answers

Using circle theorems  the angles in triangle ΔABM are

∠BMA = 30°∠BAM = 30° and∠ABM = 120°

What are circle theorems?

Circle theorems are theorems that govern circle peoperties

To find the angles in triangle ABM, we notice that in ΔABO, since OB = OA (radius of the circle), then ΔABO is an isoceles triangle.

So, ∠OAB = ∠ABO  (Base angles of an isoceles triangle)

Now, ∠OAB = ∠ABO = ∠A = 30°

Also ∠OAB + ∠ABO = ∠BOM (sum of opposite interior angles)

30° +  30° = ∠BOM

∠BOM = 60°

Now since OB is the radius and touches MV at B, and thus perpendicular to it. so, ∠OBM = 90°

Now, ∠OAB + ∠OBM = ∠ABM

30° + 90° = ∠ABM

∠ABM = 120°

Now in triangle ΔABM

∠BAM + ∠ABM + ∠BMA = 180° (sum of angles in a triangle)

Now

∠BAM = ∠OAB = 30°, ∠ABM = 120°

So, making ∠BMA subject of the formula, we have that

∠BMA = 180° - ∠BAM + ∠ABM

So, substituting the values of the variables into the equation, we have that

∠BMA = 180° - ∠BAM + ∠ABM

∠BMA = 180° - 30° - 120°

∠BMA = 180° - 150°

∠BMA = 30°

So, the angles are

∠BMA = 30°∠BAM = 30° and∠ABM = 120°

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28 is the geometric mean of 13 and another number. Find the number and round your answer to the nearest hundredth

Answers

To find the number when 28 is the geometric mean of 13 and that number, we'll use the formula for the geometric mean: √(a * b) = GM, where a and b are the two numbers, and GM is the geometric mean. In this case, a = 13, GM = 28.

Step 1: Substitute the given values into the formula:
√(13 * b) = 28

Step 2: Square both sides to get rid of the square root:
(√(13 * b))^2 = 28^2
13 * b = 784


Step 3: Divide both sides by 13 to isolate b:
b = 784 / 13
b ≈ 60.31


So, the other number is approximately 60.31 when rounded to the nearest hundredth. In summary, 28 is the geometric mean of 13 and 60.31, as √(13 * 60.31) ≈ 28.

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Circle Q has a diameter AB. If the distinct point C is also on the circle then triangle ABC must be

Answers

If point C is on the circle with diameter AB, then triangle ABC must be a right triangle. This is because the diameter of a circle is the longest chord and it passes through the center of the circle.

If we draw a line from point C to the center of the circle (which is the midpoint of AB), we get a perpendicular bisector of AB, meaning that it cuts AB into two equal parts and forms right angles with it. This also means that AC and BC are equal in length (since they both form radii of the circle), and the angle at point C must be a right angle (since it forms a straight line with the center of the circle). Thus, triangle ABC satisfies the criteria for a right triangle.

In summary, if point C lies on the circle with diameter AB, then triangle ABC must be a right triangle with AC and BC as its legs and AB as its hypotenuse. This is a fundamental property of circles and right triangles, and it is important to understand in order to solve various geometry problems involving circles and triangles.

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Make sense and preserve: if you knew the length of df in parallelogram defg, how would you find the length of dk? explain. ​

Answers

To find the length of DK, we can divide the length of DF by 2 as the diagonals of a parallelogram bisect each other.

In parallelogram DEFG, the diagonals DF and EG intersect at point K. If we know the length of DF, we can use the property that the diagonals of a parallelogram bisect each other. This means that DK is equal to half the length of DF. Therefore, to find the length of DK, we can simply divide the length of DF by 2.

Length of DK = Length of DF/2

Hence we can find length of DK by above method.

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the complete questions is:

how would you find the length of dk if you knew the length of df in parallelogram defg? explain.

A flat screen television costs $1600. It may be purchased for $100 down and 24 easy monthly payments of $80 each. What simple interest rate was charged on the purchase per monthly payment?

Answers

The simple interest rate charged on the purchase per monthly payment is approximately 0.5735%.

To determine the simple interest rate charged per monthly payment on the flat screen television, please follow these steps:

1. Calculate the total amount paid in monthly payments: 24 payments * $80 = $1920.
2. Subtract the down payment: $1920 - $100 = $1820.
3. Subtract the original cost from the total amount paid: $1820 - $1600 = $220. This is the total interest paid.
4. Divide the total interest by the number of monthly payments: $220 / 24 = $9.1667 interest per month.
5. Calculate the interest rate per monthly payment: ($9.1667 / $1600) * 100 = 0.5735% per month.

The simple interest rate charged on the purchase per monthly payment is approximately 0.5735%.

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Marina has learned that it typically rains 43% of the days in August in the city where she lives.



Assuming that the probability of rain on each day is independent, find the variance in the number of rainy days in Marina's city in two weeks during the month of August.



Round your answer to three significant figures

Answers

The variance in the number of rainy days in Marina's city in two weeks during the month of August is approximately 3.96.

We know that the probability of rain on any given day is0.43, and we want to find the  friction in the number of  stormy days in two weeks, which is 14 days.  

The  friction of a binomial distribution is given by the formula  

Var( X) =  npq  

where n is the number of trials,

p is the probability of success on each trial,

and q is the probability of failure on each trial( q =  1- p).

 In this case, n =  14,

p = 0.43, and

q = 0.57.

Substituting these values, we get  

Var( X) =  npq  

Var( X) =  14 x0.43 x0.57  

Var( X) = 3.9642  

Rounding to three significant  numbers, we get   Var( X) = 3.96

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Luna and ger friend maka sandwiches with 1/3 of a baguette. They sahre the baguette equally

Answers

Luna and her friend Maka decided to make sandwiches using 1/3 of a baguette. To ensure fairness, they agreed to divide the baguette equally between them. They carefully measured the baguette and cut it into two equal parts, ensuring each of them received an equal portion.

Luna and Maka then began assembling their sandwiches. They spread their preferred fillings on their respective portions of the baguette, adding layers of vegetables, meats, and condiments to create delicious sandwiches.

After completing their sandwich preparation, Luna and Maka sat down together to enjoy their culinary creations. They appreciated the taste and quality of their sandwiches, delighted by the shared experience and the equal distribution of the baguette.

As they savored each bite, Luna and Maka cherished their friendship and the simple joy of sharing a meal together. They found contentment in the realization that even the smallest things, like a shared baguette, could strengthen their bond and create lasting memories.

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At a ski resort, there is a 30% chance of snow for each of the next four days. What is the probability that it snows 0 days? 1 day? 2 days? 3 days? 4 days? How many snowy days should a skier expect during this time period?

Answers

The probability would be 7/12.

Here, we have,

Consider A is the event that there is snowing in first three days and B is the event that there is snowing in next four days.

According to the question,

P(A) = 1/3

P(B)= 1/4

Thus, the probability that it snows at least once during the first week of January

= snow in first three days or snow in next four days

= P(A∪B)

=P(A) + P(B) - P(A∩B)

 ( ∵ A and B are independent ⇒P(A∩B) = 0  )

=1/3 + 1/4

=7/12

Hence, The probability would be 7/12.

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Which statement about the transformation is true? it is rigid because all side lengths and angles are congruent. It is rigid because no side lengths or angles are congruent. It is nonrigid because all side lengths are congruent. It is nonrigid because no side lengths or angles are congruent.

Answers

The statement "It is rigid because all side lengths and angles are congruent" is true.

In mathematics, a transformation is considered rigid if it preserves distances and angles. For example, a translation, rotation, or reflection is a rigid transformation because it preserves distances and angles. If a transformation preserves side lengths and angles, then it is considered rigid, regardless of whether the side lengths and angles are congruent or not.

Answer: A. it is rigid because all side lengths and angles are congruent.

Step-by-step explanation: RIGHT ON EDGE 2023

You are given information about the amount of each purchase at a department store. Find the mean, median, mode, range and standard


deviation when each purchase decreases by 15%.



Mean: $51. 72


Median: $37. 25


Mode: $21. 36


Range: $415. 85


Standard Deviation: $11. 91



When each purchase is


decreased by 15%, the mean is ____ the median is ______ the mode is______ the range is______and the standard


deviation is______

Answers

The mean, median, mode,range, and standard deviation when decreased by 15% becomes $43.96,$31.66,$18.16,$353.47 and $10.12 respectively.

When each purchase decreases by 15%, the new values can be calculated as follows:
Mean: $51.72 * 0.85 = $43.96

It is calculated by adding up all the values and dividing the sum by the number of values.
Median: $37.25 * 0.85 = $31.66

It is calculated by the values from smallest to largest and then selecting the middle value.
Mode: $21.36 * 0.85 = $18.16

It represents the most frequently occurring value in a set of numbers.
Range: $415.85 * 0.85 = $353.47

It represents the difference between the largest and smallest values in a set of numbers.
Standard Deviation: $11.91 * 0.85 = $10.12

It is calculated by taking the square root of the variance.

When each purchase is decreased by 15%, the mean is $43.96, the median is $31.66, the mode is $18.16, the range is $353.47, and the standard deviation is $10.12.

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There's a question I've been trying for 2 days to get solved but either I'm missing something or maybe I haven't been using the right method but I hope someone will help me here. ________________________________________

Substitution, Manipulation, Elimination

Solve Simultaneously. Use the method you find easiest. (title of the question)

________________________________________

4x-3y=11

5x-9y=-2

Answers

Answer:

  (x, y) = (5, 3)

Step-by-step explanation:

You want the solution to the system of equations ...

4x -3y = 115x -9y = -2

Solution

It is convenient to subtract the second equation from 3 times the first:

  3(4x -3y) -(5x -9y) = 3(11) -(-2)

  12x -9y -5x +9y = 33 +2

  7x = 35 . . . . . . . simplify

  x = 5 . . . . . . . . . . divide by 7

  4(5) -3y = 11 . . . . . substitute into the first equation

  9 = 3y . . . . . . . . add 3y-11 to both sides

  y = 3 . . . . . . . . divide by 3

The solution is (x, y) = (5, 3).

__

Additional comment

We find using a graphing calculator to be the easiest way to solve a pair of simultaneous equations. The attachment shows the solution is the one we found above.

The approach of "substitution" is straightforward, if error-prone. Basically, you solve one equation for either variable, then use that expression in the other equation. Here, for example, you can solve the first for x:

  x = (11 +3y)/4

Then use that in the second equation:

  5(11 +3y)/4 -9y = -2

  5(11 +3y) -36y = -8 . . . . eliminate the denominator

  55 +15y -36y = -8 . . . . . eliminate the parentheses

  -21y = -63 . . . . . . . . . . . simplify, subtract 55

  y = 3 . . . . . . . . . . . . divide by -21

  x = (11 +3(3))/4 = 20/4 = 5 . . . . find x

In the above, we used "elimination." We took advantage of the fact that the y-coefficients were related by a factor of 3. To cancel y-terms, we need to have the equations we "add" have opposite signs for the y-terms. Here, we do that by multiplying the first by 3 (to make -9y), then subtracting the second equation (which has -9y, so will cancel). We could have subtracted 3 times the first from the second, but that would make all the resulting coefficients be negative, which we like to avoid.

Or, we could have multiplied the first equation by -3 to make the y-coefficients opposite, then added the results. (Again, that would give negative coefficients in the sum.) Planning ahead can help avoid mistakes due to minus signs.

The cost function for q units of a certain item is C(q) = 102q-97. The revenue function for the same item is R(q) = 102q+ 52q/Inq a. Find the marginal.cost. b. Find the profit function c. Find the profit from one more unit sold when 8 units are sold.

Answers

a. The marginal cost is constant at $102 per unit.

b. The profit function is 149 + 52q/Inq.

c. The profit from one more unit sold when 8 units are sold is $4.50.

a. To find the marginal cost, we need to take the derivative of the cost function: C'(q) = 102. So the marginal cost is constant at $102 per unit.

b. The profit function is given by:

[tex]P(q) = R(q) - C(q) = (102q + 52q/Inq) - (102q - 97) = 149 + 52q/Inq.[/tex]

c. To find the profit from one more unit sold when 8 units are sold, we need to find the difference between the profit from selling 9 units and the profit from selling 8 units.

Profit from selling 9 units: P(9) = 149 + 52(9)/In9 = 149 + 104 = $253.

Profit from selling 8 units: P(8) = 149 + 52(8)/In8 = 149 + 108.5 = $257.50.

The profit from one more unit sold when 8 units are sold is the difference between these two profits: $253 - $257.50 = -$4.50. This means that selling one more unit when 8 units are sold will result in a loss of $4.50.

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