To determine the exact distance and bearing of the island from Miami, we can use basic trigonometry and vector addition.
First, we need to break down the flight path into its components. The initial bearing of E 20 S can be broken down into an eastward component of 600 mph [tex]cos(20°) = 562.57[/tex] mph and a southward component of 600 mph [tex]sin(20°) = 208.38[/tex] mph.
After flying for 4 hours, the plane has traveled a distance of 600 mph × 4 = 2400 miles, with a displacement of 562.57 mph × 4 = 2250.28 miles eastward and 208.38 mph × 4 = 833.52 miles southward.
When the pilot adjusts the bearing to S 5'E, the plane travels 600 mph × 2 = 1200 miles with a displacement of 600 mph cos(5°) × 2 =996.18 miles eastward and 600 mph sin(5°) × 2 = 104.57 miles southward.
Finally, when the pilot adjusts the bearing to E 5°S, the plane travels 600 mph × 1 = 600 miles with a displacement of 600 mph cos(5°) = 598.31 miles eastward and 600 mph sin(5°) = 52.42 miles southward.
To find the total displacement from Miami to the island, we can add up the eastward and southward components:
Total eastward displacement = 2250.28 + 996.18 + 598.31 = 3844.77 miles
Total southward displacement = 833.52 + 104.57 + 52.42 = 990.51 miles
Using the Pythagorean theorem, we can find the total distance from Miami to the island:
[tex]Distance = sqrt((3844.77)^2 + (990.51)^2) =3985.21 miles[/tex]
To find the bearing from Miami to the island, we can use inverse trigonometry:
[tex]Bearing = tan^{-1} (\frac{990.51}{3844.77}) = 14.76°[/tex]
Therefore, you should tell the rescue authorities in Miami that you are approximately 3985.21 miles away from Miami and the bearing to the island is approximately N 75°E.
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Larray bought roses at the flower shop for $4.50 per dozen with a 90% markup. what is the final retail price
A markup refers to the amount that is added on top of the cost price of a product to arrive at the selling price. In this case, the cost price of the roses was $4.50 per dozen. Therefore, a 90% markup would mean that the selling price is 90% more than the cost price.
To calculate the markup, we can use the following formula:
Markup = Cost Price x Markup Percentage
Markup Percentage = 90% = 0.9 (in decimal form)
Markup = $4.50 x 0.9 = $4.05
This means that the markup on the roses is $4.05 per dozen.
To calculate the final retail price, we simply need to add the markup to the cost price:
Retail Price = Cost Price + Markup
Retail Price = $4.50 + $4.05 = $8.55
Therefore, the final retail price for the roses that Larray bought at the flower shop is $8.55 per dozen.
In conclusion, Larray bought roses at the flower shop for $4.50 per dozen with a 90% markup, which resulted in a final retail price of $8.55 per dozen. The markup was calculated by multiplying the cost price by the markup percentage of 90%, and then adding it to the cost price to arrive at the selling price.
This is a common practice in the flower industry, where flower shops add a markup to the cost of their products to make a profit.
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If pp and qq vary inversely and pp is 19 when qq is 30, determine qq when pp is equal to 95
When the value of pp=95 the value of qq will be equal to 6.
It is given that pp varies inversely with qq, so we can write that
pp=k/qq
where k is the proportionality constant.
here we can find the value of k by substituting the value of pp and qq with 19 and 30 in the relation that is given above, we get:
30=k/19
k=30*19
k=570
we the value of k to be 570 after putting the values in the relation.
Now if pp is changed to 95, and k is equal to 570 we can get the value of qq by putting the known values in the same relation.
pp=k/qq
qq=570/95
qq=6.
Therefore, when the value of pp is 95 the value for qq will be equal to 6.
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Find the critical points and the interval on which the given function is increasing or decreasing, and apply the First Derivative Test to each critical point. f(x) = ** + 5x 10x-60 (Use decimal notation)
The critical points of the given function f(x) = ** + 5x/ (10x-60) are x = 6 and x = -6/5. The function is decreasing on (-∞, -6/5) and increasing on (-6/5, 6) and (6, ∞). The First Derivative Test shows that x = -6/5 is a local maximum and x = 6 is a local minimum.
To find the critical points, we need to first find the derivative of the function. Using the quotient rule, we get:
f'(x) = (10x - 60)(**)' - **(10x - 60)' / (10x - 60)²
Simplifying, we get:
f'(x) = 50 / (10x - 60)²
The critical points occur where the derivative is zero or undefined. Here, the derivative is never undefined, so we only need to find where it is zero:
50 / (10x - 60)² = 0
This occurs when x = 6 and x = -6/5.
Next, we need to determine the intervals on which the function is increasing or decreasing. To do this, we can use the first derivative test. We test a value in each interval of interest to see if the derivative is positive or negative:
For x < -6/5, we choose x = -2:
f'(-2) = 50 / (10(-2) - 60)² = -5/81 < 0
Therefore, the function is decreasing on (-∞, -6/5).
For -6/5 < x < 6, we choose x = 0:
f'(0) = 50 / (10(0) - 60)² = 5/9 > 0
Therefore, the function is increasing on (-6/5, 6).
For x > 6, we choose x = 10:
f'(10) = 50 / (10(10) - 60)² = 5/81 > 0
Therefore, the function is increasing on (6, ∞).
Finally, we can use the First Derivative Test to determine the nature of the critical points.
For x = -6/5:
f'(-6/5 - ε) < 0 and f'(-6/5 + ε) > 0, for small values of ε.
Therefore, x = -6/5 is a local maximum.
For x = 6:
f'(6 - ε) < 0 and f'(6 + ε) > 0, for small values of ε.
Therefore, x = 6 is a local minimum.
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Suppose we were to gather a random sample of 28 observations from a population and wished to calculate a 95% confidence interval for the mean, µ, in the case where the population standard deviation, σ, is unknown. Enter the value from the Student's t distribution that we would use, to three decimal places
The value from the Student's t distribution that we would use to calculate a 95% confidence interval is 2.048
When the population standard deviation, σ, is unknown, we use the sample standard deviation, s, to estimate it. The t-distribution is used to calculate the confidence interval when we have a small sample size (less than 30) and the population standard deviation is unknown.
The value from the t-distribution that we would use to calculate a 95% confidence interval for the mean with a sample size of 28 is the t-value with 27 degrees of freedom, denoted by t(0.025,27) is 2.048.
This value can be obtained from a t-distribution table or calculator, and it represents the number of standard errors away from the mean that corresponds to a 95% confidence interval.
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3 1 point Usually the professors give you a function and they ask you to compute the linear approximation at a given point (a, f(a)). In this particular case, I will give you already the linear approximation at 2 = 3. 5 L(x) = 121 (1 - 3) + 172. What is the value of f(3) Type your answer Previous 1 point Usually the professors give you a function and they ask you to compute the linear approximation at a given point (a, f(a)). In this particular case, I will give you already the linear approximation at I = 5, L42) = (2-6) + 23 5 4 Relate appropriately 2- 1 (9) aproximately 25.5 28 f(5)- 1.25 23 (5) 5 17) - 7 ) is approximately
The value of f(3) is 172.
The problem provides us with the linear approximation of a function at a given point. In this case, we are given the linear approximation at x=3.5 as L(x) = 121(x-3) + 172. We are asked to find the value of the original function f(3). Since 3 is to the left of the given point 3.5, we need to use the left-hand side of the linear approximation.
To find the value of f(3), we substitute x=3 in the linear approximation:
L(3) = 121(3-3.5) + 172
= 121(-0.5) + 172
= -60.5 + 172
= 111.5
Therefore, the value of f(3) is 172.
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A direct variation includes the points (2,
–
10) and (n,5). Find n.
Write and solve a direct variation equation to find the answer.
Solving a direct variation equation to find n gives n = -1
Writing and solving a direct variation equation to find nFrom the question, we have the following parameters that can be used in our computation:
A direct variation includes the points (2, –10) and (n,5).
This means that
(2, –10) = (n,5)
Express as an equation
So, we have
-2/10 = n/5
Multiply both sides of the equation by 5
So, we have the following representation
n = -2/10 * 5
Evaluate the product
n = -1
Hence, the value of n in the equation is -1
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A building is 210 m tall. A scale model is built using a scale factor of 0. 5.
a) Determine the height of the model to the nearest centimeter, if necessary.
b) What are the actual dimensions of the bed, couch, and desk?
a) The height of the scale model is 105 m. b) The actual dimensions of the bed, couch, and desk are twice as large as their corresponding dimensions in the scale model.
a) To determine the height of the scale model, we multiply the height of the actual building by the scale factor of 0.5:
Height of scale model = 0.5 x 210 m = 105 m.
b) Since the scale factor is 0.5, the actual dimensions of the bed, couch, and desk are twice as large as their corresponding dimensions in the scale model.
For example, if the length of the couch in the scale model is 10 cm, then the actual length of the couch is 2 x 10 cm = 20 cm. Similarly, if the width of the desk in the scale model is 8 cm, then the actual width of the desk is 2 x 8 cm = 16 cm.
Therefore, to find the actual dimensions of the bed, couch, and desk, we simply multiply the corresponding dimensions in the scale model by 2.
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What is -3x - 2x -5 = -7
Step-by-step explanation:
-3x - 2x - 5 = -7
-5x - 5 = -7
-5x = -7 + 5
-5x = -2
x = 2/5
#CMIIWwhat is x^2-3x=70 in standard form?
Answer: x^2 + 3x - 70 = 0
Step-by-step explanation:
Anne is taking courses in both mathematics and English. She estimates her probability of passing mathematics at 0. 42 and passing English at 0. 47 , and she estimates her probability of passing at least one of the courses at 0. 7. What is the probability that Anne could pass both courses?
The probability that Anne could pass both mathematics and English courses is 0.19 or 19%.
To find the probability that Anne could pass both mathematics and English, we can use the formula for the probability of the union of two events: P(A ∪ B) = P(A) + P(B) - P(A ∩ B), where A is the event of passing mathematics, B is the event of passing English, and A ∩ B is the event of passing both courses.
We are given:
P(A) = probability of passing mathematics = 0.42
P(B) = probability of passing English = 0.47
P(A ∪ B) = probability of passing at least one course = 0.7
Now we need to find the probability of passing both courses, P(A ∩ B).
Using the formula, we have:
0.7 = 0.42 + 0.47 - P(A ∩ B)
To find P(A ∩ B), we rearrange the equation:
P(A ∩ B) = 0.42 + 0.47 - 0.7
Now, calculate the probability:
P(A ∩ B) = 0.19
So, the probability that Anne is 0.19 or 19%.
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840x - x2 A company's revenue for selling x (thousand) items is given by R(x) = x2 +840 Find the value of x that maximizes the revenue and find the maximum revenue. X= maximum revenue is $ 2
The value of x that maximizes revenue is x 28.99 and maximum revenue is $1680 (thousand).
The revenue function for a company that sells x (thousand) items is R(x) = x² + 840. To find the value of x that maximizes revenue, we need to differentiate the revenue function, set it equal to zero and solve for x. The maximum revenue can then be calculated by substituting the value of x into the revenue function.
Revenue function: R(x) = x² + 840
To find the value of x that maximizes revenue, we differentiate the revenue function with respect to x:
dR/dx = 2x
Setting this equal to zero, we get:
2x = 0
x = 0
However, this value does not make sense in the context of the problem, as the company cannot sell 0 items. Therefore, we need to consider the critical points of the function, which occur when dR/dx = 0 or is undefined.
dR/dx = 0 when 2x = 0, so x = 0 is a critical point.
dR/dx is undefined when x = ±√840, so these are also critical points.
We can use the second derivative test to determine which critical point corresponds to a maximum. The second derivative of the revenue function is:
d²R/dx² = 2
At x = 0, d²R/dx² = 2 > 0, so this critical point corresponds to a minimum.
At x = ±√840, d²R/dx² = 2 > 0, so these critical points correspond to a minimum.
Therefore, the value of x that maximizes revenue is x = √840 ≈ 28.99 (thousand items).
To find the maximum revenue, we substitute x = √840 into the revenue function:
R(√840) = (√840)² + 840 = 1680
So the maximum revenue is $1680 (thousand).
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If Nori made 2% in interest on $5,000 and her brother Sean made 1% in interest
on $10,000, who made more money in interest?
Both Nori and her brother Sean made the same amount in interest, $100, assuming that their investments lasted 1 year.
What is interest?The interest refers to the income or payment received or made for giving or taking credit from a lender.
The interest is usually depicted using a rate, which is expressed over 100.
Nori's Investment = $5,000
Interest rate = 2%
Interest amount = $100 ($5,000 x 2%)
Sean's investment = $10,000
Interest rate = 1%
Interest amount = $100 ($10,000 x 1%)
Thus, Nori and Sean equally made $100 in interest from their investments.
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A trader made profit of 24percent by selling an article for GHC 3720.00.How much should he have sold it to make a profit of 48percent?
Therefore, the trader should sell the article for GHC 4440.00 to make a profit of 48%.
What is percent?Percent is a way of expressing a number as a fraction of 100. The term "percent" means "per hundred". Percentages are usually denoted by the symbol %, which is placed after the numerical value. Percentages are used in many fields, including finance, science, and everyday life, to represent proportions, rates, and changes in quantities.
Here,
Let's call the original cost of the article "C".
We know that the trader made a profit of 24%, which means that he sold the article for 100% + 24% = 124% of its cost:
124% of C = GHC 3720.00
To find C, we can divide both sides by 1.24:
C = GHC 3720.00 / 1.24
C = GHC 3000.00
So the trader originally purchased the article for GHC 3000.00.
Now we want to know how much the trader should sell the article for to make a profit of 48%. This means that he wants to sell the article for 100% + 48% = 148% of its cost:
148% of C = ?
Substituting C = GHC 3000.00, we get:
148% of GHC 3000.00 = (148/100) x GHC 3000.00
= GHC 4440.00
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Use the ratio test to find the radius of convergence of the power series 3x+36x^2+243x^3+1296x^4+6075x^5+
The radius of convergence is 1/3. To find the radius of convergence for the power series using the ratio test, we need to analyze the general term of the series. The given series is:
Σ(an * x^n)
where an is the coefficient of the term with x raised to the power n. The coefficients in the given series are:
a1 = 3
a2 = 36
a3 = 243
a4 = 1296
a5 = 6075
...
Notice that each coefficient is a multiple of 3^n. Thus, we can write the general term as:
an = 3^n
Now, we apply the ratio test. The ratio test states that the series converges if the limit as n approaches infinity of the absolute value of the ratio of consecutive terms is less than 1:
lim (n → ∞) |(a(n+1) * x^(n+1)) / (an * x^n)|
= lim (n → ∞) |(3^(n+1) * x^(n+1)) / (3^n * x^n)|
To simplify, divide 3^(n+1) by 3^n:
= lim (n → ∞) |(3 * x)|
The series converges when |3 * x| < 1. To find the radius of convergence, solve for |x|:
|x| < 1/3
The radius of convergence is 1/3.
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¿Cómo se escribe la multiplicación 713 × 49, descomponiendo ambos números?
The decomposition of 713 × 49 has been provided below
How to decompose the problemTo multiply 713 and 49, we can use the distributive property and decompose the second number as follows:
49 = 40 + 9
Then, we can multiply each part of the sum by 713:
713 × 40 + 713 × 9
To calculate this, we can use the multiplication table and then add the results:
713
x 40
28520
713
x 9
6417
Then, we add the two results:
713 × 40 = 28520
713 × 9 = 6417
34997
Therefore, the multiplication 713 × 49, decomposed as 713 × 40 + 713 × 9, equals 34,997.
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6. ifmxkl=(8x - 6)° and the measure of major arc jml = (25x - 13), solve for the actual
measure of major arc jml. assume that lines which appear tangent are tangent.
k
ј,
l
m
a. 196°
b. 287°
c. 262°
d. 154°
The actual measure of major arc JML is approximately 289.33°, which is closest to 287°.
We know that minor arc KL is supplementary to major arc JML. So,
m∠KL = 180° - m∠JML
Substituting the given values, we get:
8x - 6 = 180 - (25x - 13)
Solving for x, we get:
33x = 193
x = 193/33
Substituting this value of x in the expression for m∠JML, we get:
m∠JML = 25(193/33) - 13
m∠JML = 1468/3
m∠JML ≈ 489.33°
However, since lines KL and JM appear tangent, we know that minor arc KL and major arc JML share the same endpoint and thus are part of the same circle. So, the actual measure of major arc JML is:
m(arc JML) = 360° - m(arc KL)
We can find m(arc KL) by subtracting m∠KLM from 180°:
m(arc KL) = 180° - m∠KLM
m(arc KL) = 180° - (8(193/33) - 6)
m(arc KL) ≈ 70.67°
Substituting in the formula for m(arc JML), we get:
m(arc JML) = 360° - 70.67°
m(arc JML) ≈ 289.33°
Therefore, the actual measure of major arc JML is approximately 289.33°, which is closest to option (b) 287°.
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Shayla purchases 10 Virtual Gold lottery tickets for $2.00 eachDetermine the probability of Shayla winning the $200.00 prize if the odds are 1-in-3,598
The probability of Shayla winning the $200 prize with 10 lottery tickets is approximately 0.2753%.
Describe Probability?In a probability context, an event refers to an outcome or set of outcomes of an experiment or process. The probability of an event is calculated by dividing the number of favorable outcomes by the total number of possible outcomes.
The probability of winning the lottery can be calculated using the formula:
Probability of winning = 1 / odds
Here, the odds of winning are given as 1-in-3,598. So, the probability of winning is:
Probability of winning = 1 / 3,598
= 0.000278
= 0.0278%
Shayla has bought 10 lottery tickets. So, the probability of winning the $200 prize with at least one ticket can be calculated as the complement of the probability of not winning with any of the tickets. That is:
Probability of winning with at least one ticket = 1 - Probability of not winning with any ticket
The probability of not winning with a single ticket is 1 - 0.000278 = 0.999722. So, the probability of not winning with all 10 tickets is:
Probability of not winning with all 10 tickets = (0.999722)¹⁰
= 0.997247
Therefore, the probability of winning with at least one ticket is:
Probability of winning with at least one ticket = 1 - Probability of not winning with all tickets
= 1 - 0.997247
= 0.002753
= 0.2753% (approx)
So, the probability of Shayla winning the $200 prize with 10 lottery tickets is approximately 0.2753%.
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Shayla's probability of winning the $200 prize with 10 lottery tickets are at 0.2753%.
Describe Probability?An event in the context of probability is a result, or series of results, of an experiment or procedure. By dividing the number of favourable outcomes by the total number of possible outcomes, the probability of an event is determined.
The following formula can be used to determine the likelihood of winning the lottery:
Probability of winning = 1 / odds
The odds of winning in this case are 1 in 3,598. Therefore, the likelihood of winning is:
Probability of winning = 1 / 3,598
= 0.000278
= 0.0278%
Shayla purchased ten lottery tickets. As a result, the likelihood that at least one ticket will win the $200 reward can be computed as the complement of the likelihood that none of the tickets will win. Which is:
winning chances with at least one ticket = 1 - likelihood of failing to win with any ticket
The likelihood that a single ticket won't be the winner is 1 - 0.000278 = 0.999722. Consequently, the likelihood of not winning with all ten
tickets is:
with all ten tickets, what is the likelihood of not winning = (0.999722)¹⁰
= 0.997247
Consequently, the following is the likelihood of winning with at least one ticket:
winning chances with at least one ticket = 1 - likelihood of failing to win with any ticket
= 1 - 0.997247
= 0.002753
= 0.2753% (approx)
Shayla's chances of winning the $200 prize with 10 lottery tickets are at 0.2753%.
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A teacher tells her students she is just over 1 and 1/2 billion seconds old.
a. Write her age in seconds using scientific notation (using for multiplication and for your exponent).
b. What is a more reasonable unit of measurement for this situation?
c. How old is she when you use a more reasonable unit of measurement?
a. The teacher's age in seconds can be written in scientific notation as 1.5 × [tex]10^{9}[/tex] seconds.
b. A more reasonable unit of measurement for this situation could be years, as it is a common unit used to express human age.
c. To convert the teacher's age from seconds to years, we can divide the number of seconds by the number of seconds in a year. There are 60 seconds in a minute, 60 minutes in an hour, 24 hours in a day, and approximately 365 days in a year. So,
1.5 × [tex]10^{9}[/tex] seconds ÷ (60 seconds/minute × 60 minutes/hour × 24 hours/day × 365 days/year) = approximately 47.5 years
Therefore, the teacher is approximately 47.5 years old when using the more reasonable unit of measurement.
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A bag contains 4 red marbles, 7 blue marbles and 8 green marbles. If two marbles are drawn out of the bag, what is the probability, to the nearest 10th of a percent, that both marbles drawn will be green?
The probability that both marbles drawn will be green is 16.4%.
The probability of drawing a green marble on the first draw is 8/19.
Since there are no replacements, the probability of drawing another green marble on the second draw is 7/18 (since there are now only 18 marbles left in the bag, including 7 green marbles).
Therefore, the probability of drawing two green marbles in a row is:
(8/19) × (7/18)
= 56/342
To convert this to a percentage, we can divide 56 by 342 and multiply by 100:
(56/342) × 100 = 16.37%
Therefore, the probability that both marbles drawn will be green is 16.4%.
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Simplify 3y(y^2-3y+2)
Step-by-step explanation:
if this factorisation because I think you alr simplified, but here's the answer for factorisation anyways.
you can text me below in the comments section if that's not you want, I will try to answer if I can!!!
Answer:
3y(y - 2)(y - 1)
Step-by-step explanation:
Simplify by factoring
3y(y² - 3y + 2)
= 3y(y - 2)(y - 1)
In a group of students,
[tex] \frac{8}{13} [/tex]
of the group are scouts and the rest are police cadets. If
[tex] \frac{3}{8} [/tex]
of the scouts or 15 of them are prefects, calculate the number of police cadets in the group
The calculated number of police cadets in the group is 25
Calculating the number of police cadets in the groupFrom the question, we have the following parameters that can be used in our computation:
Scouts = 8/13
Police cadets = the rest
This means that
Police cadets = 1 - 8/13
Evaluate
Police cadets = 5/13
Also, we have
Prefects = 3/8 or 15 of scouts
This means that
3/8 * Scouts = 15
Scouts = 40
So, we have
Total = 40/(8/13)
Total = 65
Recall that
Police cadets = 5/13
So, we have
Police cadets = 5/13 * 65
Evaluate
Police cadets = 25
Hence, the number of police cadets in the group is 25
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The area of a rectangle is 72.8cm? if one side of the length is 6.52cm. find the length of the other two to two decimal places
Answer:
11.17, my answer needs to be 20+ characters soooooooo
what the answear to y=4x-9
The ordered pairs of the linear expression y = 4x - 9 is (0, -9)
What are the ordered pairs of the linear expressionFrom the question, we have the following parameters that can be used in our computation:
The linear expression y = 4x - 9
To determine the ordered pairs of the linear expression, we set x to any value say x = 0 and then calculate the value of y
Using the above as a guide, we have the following:
y = 4(0) - 9
Evauate
y = -9
Divide both sides by 1
y = -9
This means that the value of y is equal to -9
So, we have (0, -9)
Hence, the ordered pairs of the linear expression is (0, -9)
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These cones are similar. find the volume
of the smaller cone. round to the
nearest tenth.
2cm 3 cm
volume = [ ? ] cm3
volume = 66 cm3
The volume of the smaller cone is approximately [tex]5.5 cm^3[/tex], rounded to the nearest tenth
If the cones are similar, then the ratio of the corresponding dimensions of the cones is the same.
Let's denote the height and radius of the smaller cone as h and r, respectively. Then, the height and radius of the larger cone are 3h and 2r, respectively.
Since the volumes of the cones are proportional to the cube of their radii and heights, we can write:
(volume of smaller cone) / (volume of larger cone) = [tex](r^2 * h) / ((2r)^2 * 3h)[/tex]
Simplifying this expression, we get:
(volume of smaller cone) / (volume of larger cone) = 1/12
Since we are given that the volume of the larger cone is [tex]66 cm^3[/tex], we can solve for the volume of the smaller cone as follows:
(volume of smaller cone) =[tex](1/12) * (66 cm^3) = 5.5 cm^3[/tex]
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|x-6|=-10
thanks in advance
Answer:
I guess you need the value of (x) if that's so then
x= -4
Step-by-step explanation:
The figure below is made up of 1 centimeters cubes, What is the volume of the figure?
Answer:
15 cubic centimeters
Step-by-step explanation:
The figure is in the shape of a rectangular and the formula for volume of such a rectangular box is
V=lwh, where V is the volume, l is the length, and h is the height.
Since each cube is 1 cm, we see that the length is 5 cm (1 cm cube * 5 = 5 cm), the width is 3 cm (1 cm cube * 3 = 3 cm), and the height is 1 cm (1 cm cube * 1 = 1 cm).
Thus, we the product of our length, width, and height will give us the volume of the figure:
V = 5 * 3 * 1
V = 15 cubic centimeters
What is the quotient of 1. 892×10^8 and 4. 3×10^3
expressed in scientific notation? Please tell me the answer!
The quotient of 1.892×10^8 and 4.3×10^3 expressed in scientific notation is 4.4×10^4.
The quotient is determined by dividing any two numbers. In this case, the two numbers are 1.892×10^8 and 4.3×10^3. In order to calculate the quotient here, we will divide 1.892×10^8 by 4.3×10^3. Hence,
1. Divide the coefficients: 1.892 ÷ 4.3 = 0.44
2. Subtract the exponents: (10^8) ÷ (10^3) = 10^(8-3) = 10^5
3. Combine the results: 0.44 × 10^5
To express this answer in scientific notation, we need to move the decimal point one place to the left and adjust the exponent accordingly:
0.44 × 10^5 = 4.4×10^4
Therefore, the quotient expressed in scientific notation is 4.4×10^4.
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4. You decide to purchase a home for $225,000. The bank requires a 10% down payment.
You take out a 30-year, fixed rate mortgage at 4. 5%.
a. How much is the down payment?
b. How much is the mortgage (In other words, how much money are you
borrowing?)
c. What is your monthly mortgage payment?
a. The down payment is $22,500.
b. The mortgage is $202,500.
c. The monthly mortgage payment is $1,027.
a. The down payment is 10% of the home price, which is $225,000 x 0.1 = $22,500.
b. The mortgage is the remaining amount that you need to pay, which is $225,000 - $22,500 = $202,500.
c. The monthly mortgage payment can be calculated using the formula for a fixed-rate mortgage:
Monthly Payment = P [ i(1 + i)^n ] / [ (1 + i)^n – 1]
where P is the principal amount (the mortgage), i is the monthly interest rate (4.5% / 12 = 0.375%), and n is the total number of monthly payments (30 years x 12 months/year = 360).
Plugging in the values, we get:
Monthly Payment = $202,500 [ 0.00375(1 + 0.00375)^360 ] / [ (1 + 0.00375)^360 – 1] = $1,027.
Therefore, your monthly mortgage payment will be $1,027.
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Is Figure A'B'C'D' a reflection of Figure ABCD? Explain.
Trapezoid A B C D graphed in Quadrant 1 of a coordinate plane with vertices A, 2, 2, B, 4, 4, C, 8, 4, and D, 10, 2. Trapezoid A prime B prime C prime D prime graphed in Quadrant 4 of a coordinate plane with vertices A prime, 2, negative 4, B prime, 4, negative 6, C prime, 8, negative 6, and D prime, 10, negative 4. The horizontal line y equals negative 1 is graphed and is equidistant between the bases of the trapezoids.
Yes; it is a reflection over the x-axis.
Yes; it is a reflection over the y-axis.
Yes; it is a reflection over line y = –1.
No; it is not a reflection.
Where the above is given, it is correct to state that "Yes; it is a reflection over line y = –1." (Option C)
What is reflection in math?A reflection is referred to as a flip in geometry. A reflection is the shape's mirror image. The line of reflection is formed when an image reflects through a line. A figure is said to mirror another figure when every point in one figure is equidistant from every point in another figure.
Note that in the above prompt, Since the horiztonal line y = -1 is equidistant between the bases of the trapezoids, ABCD and A'B'C'D and the corresponding coordinates are therefore equidistant from the line.
Hence Option C is correct.
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Mae lee is going to but a new car. The car she wants costs $24. 599. She has $5. 000 to use as a down payment and will take a loan out for the rest. The interest rate on the loan is 4. 25% for 5 years how much interest will mae lee pay in all? round your answer to the nearest cent show all your work and explain each step
The interest that has to be paid for the car is $ 4534.2.
What is compound interest?Compound interest is a type of interest calculation in which the interest earned is added to the principal amount.
The principal is the sum that is left to be paid after the down payment hence;
Principal = $24, 599 - $5, 000
= $19599
A = P(1 + r/n)^nt
A = amount
P =principal
r = rate
n = Number of times compounded
t = time
Then we have that;
A = 19599( 1 + 0.0425)^5
A = $24133.2
Then ;
Interest = Amount - Principal
Interest = $24133.2 - $19599
=$ 4534.2
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