I need help with trigonometry hw

a) Diminishing returns start at x = 1,  where the marginal revenue will be less than the marginal cost

b)At x = 1, the company will earn R(1) = -32 + 6 + 18 + 4 = -4,000 dollars.

c) 0 ≤ x ≤ 25 implies that the Coffee Junction company has the capacity to spend a maximum of 25,000 dollars per month on advertisements.

a) At what level of advertising spending does diminishing returns start?

Diminishing returns refers to a situation when the marginal return on investment decreases as more resources are devoted to it. For instance, in case of Coffee Junction, increasing the advertising expenditure may lead to higher revenue, but the marginal revenue (revenue generated by each additional dollar spent) will gradually decrease.

b) How much revenue will the company earn at that level of advertising spending?

At x = 1, the company will earn R(1) = -32 + 6 + 18 + 4 = -4,000 dollars.

c) What does 0≤x≤25 tell us with respect to this problem?

In this problem, 0 ≤ x ≤ 25 implies that the Coffee Junction company has the capacity to spend a maximum of 25,000 dollars per month on advertisements.

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Answer:

100 i think

Step-by-step explanation:

Using a 92% learning curve rate, the estimated manual labor hours required to build the 5th house would be 1,034 hours, the 10th house would be 692 hours, and all 18 houses combined would require 3,046 hours. Additionally, if the learning curve rates are 70%, 75%, and 80%, the estimated manual labor hours for all 18 houses would be 5,177, 4,308, and 3,636 hours, respectively.

The learning curve formula is given by \(Y = a * X^b\), where Y represents the cumulative average time per unit, X represents the cumulative number of units produced, a is the time required to produce the first unit, and b is the learning curve exponent.

In this case, the learning curve rate is 92%, which means the learning curve exponent (b) is calculated as log(0.92) / log(2) ≈ -0.0833.

a. To estimate the time required to build the 5th house, we can use the learning curve formula:

\(Y = a * X^b\)

\(Y(5) = 3500 * 5 ^ (-0.0833)\)

Y(5) ≈ 1034 hours

b. Similarly, the time required to build the 10th house can be estimated:

\(Y(10) = 3500 * 10^(-0.0833)\)

Y(10) ≈ 692 hours

c. The cumulative time required to build all 18 houses can be estimated by summing the individual estimates for each house:

\(Y(18) = 3500 * 18^(-0.0833)\)

Y(18) ≈ 3046 hours

d. To calculate the manual labor estimates for all 18 houses using different learning curve rates, we can apply the respective learning curve exponents to the formula. The results are as follows:

- For a 70% learning curve rate: Y(18) ≈ 5177 hours

- For a 75% learning curve rate: Y(18) ≈ 4308 hours

- For an 80% learning curve rate: Y(18) ≈ 3636 hours

In conclusion, using the given learning curve rate of 92%, the estimated time required to build the 5th house is 1034 hours, the 10th house is 692 hours, and all 18 houses combined would require 3046 hours. Additionally, different learning curve rates yield different manual labor estimates for all 18 houses.

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Answer:

Which expressions are equal to 0 when x = –1? Check all that apply.

StartFraction 4 (x plus 1) Over (4 x plus 5) EndFraction

StartFraction 4 (x minus 1) Over (5 minus 4 x) EndFraction

StartFraction 4 (x minus (minus 1)) Over (4 x plus 5) EndFraction

StartFraction 4 (x plus (minus 1)) Over (4 x plus 5) EndFraction

StartFraction 4 (x plus 1) Over (5 minus 4 x) EndFraction

Step-by-step explanation:

Answer:

B

Step-by-step explanation:

The number of stops that the runner would make is 9.

A fraction is simply a piece of a whole. The number is represented mathematically as a quotient where the numerator and denominator are split. In a simple fraction, the numerator as well as the denominator are both integers.

Since the runner runs 1 4/5 miles and stops every 1/5 mile. The number of stops will be:

= Total mile / Stop

= 1 4/5 ÷ 1/5

= 9/5 ÷ 1/5.

= 9/5 × 5/1

= 9

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Answer:

A = -2/3

B = 8

C = -24

Line of symmetry calculation = x = -8/2*(2/3)

Line of symmetry is x = 6

Opens down

Min/man is (6,0)

Vertex is (6,0)

Domain is (-infinity, infinity)

Range is (-infinity, 0)

Answer:

18/12

Step-by-step explanation:

18- rise

12- run

Answer:

2 x 2+ 8 x 0= 4

Step-by-step explanation:

Answer:

c.16

hope this helps some one, have a nice day :)

Step-by-step explanation:

i just took the quiz and got it correct

Answer:

dufenschmertz evil incorporated...

Step-by-step explanation:

after hours ;)

Step-by-step explanation:

what is the question?????

Answer:

Where is the question???

Step-by-step explanation:

Step-by-step explanation:

Btw The one on the upper right hand side is Right angle

Answer:

The answer is the image.

Step-by-step explanation:

Sorry for messy writing.

Answer:

81m2

Step-by-step explanation:

Answer:

81 m2

Step-by-step explanation:

took test :)

To calculate Daniel's weekly pay, add his regular pay and overtime pay: Weekly pay = $1038.31.

To calculate Daniel's weekly pay, we need to determine his regular hours and his overtime hours.

Regular hours = 37 hours

Overtime hours = Total hours worked - Regular hours

Total hours worked = 9.5 + 8.5 + 10 + 10 + 10.75 = 49.75 hours

Overtime hours = 49.75 - 37 = 12.75 hours

Daniel's regular pay for 37 hours is:

$18.50/hour x 37 hours = $684.50

Daniel's overtime pay for 12.75 hours is:

$18.50/hour x 1.5 = $27.75/hour (time-and-a-half rate)

$27.75/hour x 12.75 hours = $353.81

Therefore, Daniel's weekly pay is the sum of his regular pay and overtime pay:

Weekly pay = $684.50 + $353.81 = $1038.31

Therefore, Daniel's weekly pay is $1038.31.

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Complete question:

Daniel earns $18.50 an hour, with time-and-a-half for hours worked over 37 a week. His clock hours for a week are 9. 5, 8. 5, 10, 10, and 10.75. How much is his weekly pay?

Answer:

Step-by-step explanation:

Use Pythagorean to identify if the triangle is right:

We see the triangle is not right and the difference of the squares tells us the angle opposite to side with measure of 9 is greater than 90°.

It means the triangle is obtuse.

Correct choice is B

Answer:

A

Step-by-step explanation:

A

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Answer:

7x+2y=18

The first one

Step-by-step explanation:

The equation to be perpendicular switches they numbers before the x and y. Also plugging into a graphing calculator like desmos will show you
that

Answer: x = 6

Step-by-step explanation:

9(8 - x) = 3x

72 -9x = 3x

add 9x to both sides

72 = 12x

divide 72 by 12

x = 6

Using the binomial distribution, we have that you would expected to draw a face card 8 times.

It is the probability of exactly x successes on n repeated trials, with p probability of a success on each trial.

The expected value of the binomial distribution is:

E(X) = np

For this problem, the parameters are given as follows:

Then the expected value is found as follows:

E(X) = np = 35 x 0.2308 = 8

You would expected to draw a face card 8 times.

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The given recipe that makes 50 cookies calls for 1/5 cup of sugar and 5/6 cup of flour. The chef wants to proportionally increase the amount to get a new recipe using one cup of sugar.

Let the new amount of flour be x.Then the new recipe using one cup of sugar should be in the ratio of (1/5)/1 = (x)/(5/6)Multiplying both sides by 5/6, we get:x = (5/6) * (1/5) * 1x = 1/6.

Therefore, the chef should use 1/6 cup of flour in the new recipe to make one cup of sugar.This is the final answer to the question.Let the new amount of flour be x.Then the new recipe using one cup of sugar should be in the ratio of (1/5)/1 = (x)/(5/6)Multiplying both sides by 5/6, we get:x = (5/6) * (1/5) * 1x = 1/6.

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Answer:

points are free?

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

clockwise is rotating it to the right. And then 180 rotation would cause the image to be flipped upside down

After the first semester of 6th grade, the ratio of the number of math students earning an A to the number of students earning a B was 2:9. However, after the second semester, the ratio of the number of math students earning an A to the number of math students earning a B was changed to 4:7.   How many students had a B at the end of the first semester if there were 92 students who received an A in the second semester?  what is the answer

The linear distance traveled in one revolution of a wheel can be calculated using the formula:

Circumference = π * Diameter

Given that the diameter of the wheel is 36 inches, we can substitute the value into the formula:

Circumference = π * 36 inches

Using an approximate value of π as 3.14159, we can calculate the circumference:

Circumference ≈ 3.14159 * 36 inches

Circumference ≈ 113.09724 inches

Therefore, the linear distance traveled in one revolution of a 36-inch diameter wheel is approximately 113.09724 inches.

Step-by-step explanation:

30% of 500 voted for Sycamore

30% x 500   =   .30  * 500 = 150  votes

Fox Glen got the most votes

Part A: least-squares regression line' equation: Test score = 85.706 - 1.1171 (row).

Part B:  slope of the least-squares regression line. Slope = 1.1171.

A least-squares regression line, typically minimises the vertical distance between the data points and the regression line, is the line that best fits a linear connection among two variables when the data indicates such a relationship. Since it represents the smallest total squared of errors, also known as the "variance," the phrase "least squares" is used to describe it.

Part A:  least-squares regression line' equation:

Take the values for test score from the attached table for Coef:

Test score = constant - row

Test score = 85.706 - 1.1171

Part B:  slope of the least-squares regression line.

As there is increase of 1 row,  the predicted test core reduced by the value 1.1171.

Slope = 1.1171.

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Complete question:

Does seat location matter? Many people believe that students learn better if they sit closer to the front of the classroom Does sitting closer cause higher achievement; or do better students simply choose sit in the front? To investigate, AP Statistics teacher randomly assigned 30 students seat locations in his classroom for particular chapter and recorded the test score for each student at the end of the chapter: The explanatory variable in this experiment is which row the students were assigned (row is closest to the front and row 7 is the farthest away).

Part A: state the equation of  least-squares regression line?

Part B: Interpret the slope of the least-squares regression line in this context.

The data is shown in table:

Using the linear equations the punch bowl had 2.75 cups of punch in it before Felicia added 12 cups of punch to it.

Let's assume that the punch bowl had x cups of punch before Felicia added 12 cups of punch to it.

After Felicia added 12 cups of punch, the total amount of punch became x + 12 cups.

Then, when two guests served themselves 1.25 cups and 2 cups of punch, respectively, the total amount of punch in the bowl became:

x + 12 cups - 1.25 cups - 2 cups = x + 8.75 cups.

We know that the punch bowl contained 11.5 cups of punch after this. So we can write:

x + 8.75 cups = 11.5 cups

Subtracting 8.75 from both sides, we get:

x = 2.75 cups

Therefore, the punch bowl had 2.75 cups of punch in it before Felicia added 12 cups of punch to it.

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The question is -

The punch bowl at Felicia’s party is getting low so she adds 12 cups of punch to the bowl. Two guests serve themselves 1.25 cups and 2 cups of punch. The punch bowl now contains 11.5 cups of punch. How many cups were in the punch bowl before Felicia refilled it?

The solution of the given function using Laplace transform the required solution is, L{F(s)}= \(\frac{1}{s^{2} } e^{-s}\)

Given data,

F(s): L{(t-1)u(t-1)}

Where L is the Laplace transformation

Laplace transform is the integral transform of the given derivative function with real variable t to convert into a complex function with variable s. For t ≥ 0, let f(t) be given and assume the function satisfies certain conditions to be stated later on.

F(s) = \(\int\limits^\alpha _0 {f(t)} e^{-st} t^{l} \,\)

Where,

s = σ + \(iw\)

F(s) = Laplace transform

s = complex number

t = real number >=0

\(t^{l}\) = first derivative of the function f(t)

The Laplace transform reduces a linear differential equation to an algebraic equation, which can then be solved by the formal rules of algebra.

So,

We can write,

F(s): L{(t-1)u(t-1)}

F(s) = \(\int\limits^\alpha _0 {f(t)} e^{-st} t^{l} \,\)

F(s) = \(\int\limits^\alpha _0 {(t-1)u(t-1)} e^{-st} \, dt\)

F(s) =  \(e^{-s} (\frac{1}{s^{2} } )\)

F(s) = \(\frac{1}{s^{2} } e^{-s}\)

Therefore,

The solution of the given function using Laplace transform the required solution is, L{F(s)}= \(\frac{1}{s^{2} } e^{-s}\)

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Answer:

f(-2) = 4

Step-by-step explanation:

Looking at the graph, at -2 the graph is at the point (-2,4). Therefore, the value of f(-2) is 4.