Estimate the sum by rounding to the nearest ten thousand. 18,789 + 19,019 = A) 40,000 B) 41,000 C) 20,000 D) none of the above

A.  The payback period is 7.2 years. The net present value of the proposed investment is 3720.55.

B. No, the project does not meet the company's cash payback criteria.

C.  Yes, the project does meet the net present value criteria for acceptance.

A. The truck costs $55,440 and generates annual cost savings of $7,700. So the payback period is the cost of the truck divided the expected amount the truck will generate.

                $55,440 / $7,700 = 7.2 years

To solve for the net present value, we say

Net Present Value = ∑ [(Cash inflow in period t) / (1 + \(r^{t}\)] - Initial Investment.

NPV = (($7,700 / (1 + 0.08)¹) = 7 129.63

+ ($7,700 / (1 + 0.08)²) = 6601.51

+ .($7,700 / (1 + 0.08)³ = 6112.51

+ ($7,700 / (1 + 0.08)⁴) = 5659.73

+ ($7,700 / (1 + 0.08)⁵) = 5240.49

+ ($7,700 / (1 + 0.08)⁶) = 4 852.31

+ ($7,700 / (1 + 0.08)⁷) = 4492.88

+($7,700 / (1 + 0.08)⁸)  = 4160.07

+ ($27,600 / (1 + 0.08)⁸)) = 14911.42

- $55,440

We add all these values together and subtract by  $55,440

7 129.63 + 6601.51 + 6112.51 + 5659.73 + 5240.49 +4 852.31 + 4492.88 + 4160.07 + 14911.42 - $55,440

59160.55 - 55,440

NPV = 3720.55

B. The cash payback period of the project is 7.2 years. The company's cash payback criteria state that a project should not be accepted unless it has a payback period that is less than 50% of the asset's estimated useful life, which would be 4 years which is 50% of 8 years. Since 7.2 years is greater than 4 years, the project does not meet the company's cash payback criteria.

C. The positive NPV of $3,720.55 shows that embarking on the prooject will be valuable to the company. This means the project meets the NPV criteria for acceptance.

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Answer:

The inverse is,

\(f^{-1}(x) = \sqrt[5]{x} - 3\)

Step-by-step explanation:

f(x) = (x+3)^5

Finding the inverse,

\(f(x) = (x+3)^5\\or,\\y = (x+3)^5\)

We replace x with y and vice versa

so,

\(x = (y+3)^5\)

Solving for y,

the the 5th root,

\(\sqrt[5]{x} = y + 3\\y = \sqrt[5]{x} - 3\)

hence the inverse function is,

\(f^{-1}(x) = \sqrt[5]{x} - 3\)

Step-by-step explanation:

f(x)=(x+3)×5

Y=5X+15

now

interxchanging x and y we get,

x=5y+15

5y=x-15

y=x-15/5

therefor f~1(x)=x-15/5

Answer:

A 7:9 ratio is simplified as much as it can.

While a 7:14 ratio can be reduced to 1:2.

Answer:

A ratio of 7:14 reduces to 1/2.

Step-by-step explanation:

A ratio of 7:9 cannot be reduced because both 7 and 9 are prime and only divisible by 1. The ratio 7:14 has a common divisor of 7 so it reduces to 1:2

Answer:

$1,300

Step-by-step explanation:

$3,000x.05= $150

$11500x.1= $1,150

Answer:

Your question is missing some parts

and the degree seems off is it 90⁰

Answer:

Ask your guidance counselor or a college admissions counselor

Step-by-step explanation:

"The square root of a number, x, is 5less than the sum of the number and 2"  is √x = (x+2)-5

Two or more expressions with an Equal sign is called as Equation.

The given verbal statement is  "The square root of a number, x, is 5

less than the sum of the number and 2"

The x is the given number.

So square root of a number, x means √x

5 less than the sum of the number and 2.

sum of the number and 2 means x+2 and 5 less than the sum of the number and 2 means (x+2)-5

So √x = (x+2)-5 is the equation.

Hence, √x = (x+2)-5 expresses the verbal statement "The square root of a number, x, is 5less than the sum of the number and 2"

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The given expression is,

Solving the above equation for c,

The value of c is 8. Therefore, option B is correct.

Answer:

:O

Step-by-step explanation:

Answer:

36° , 54° , 90°

Step-by-step explanation:

since the triangle is right then one angle is 90°

the ratio of the smaller angles = 3 : 2 = 3x : 2x ( x is a multiplier )

the sum of the 3 angles in the triangle is 180° , that is

3x + 2x + 90 = 180

5x + 90 = 180 ( subtract 90 from both sides )

5x = 90 ( divide both sides by 5 )

x = 18

Then

3x = 3 × 18 = 54°

2x = 2 × 18 = 36°

the 3 angles measure 36° , 54° , 90°

Answer:

The regression model is:

y = 20.29 + 0.73·x

Step-by-step explanation:

In this case a regression model is to be formed to predict the final average in the course based on the first test grade.

Use Excel to form the regression model.

The output is attached below.

The regression model is:

y = 20.29 + 0.73·x

Predict the final average of a students who made an 83 on the first test as follows:

y = 20.29 + 0.73·x

  = 20.29 + 0.73 × 83

  = 80.88

The final average of a students who made an 83 on the first test would be 80.88.

From the output:

R² = 0.839

Then the correlation coefficient will be:

\(r=\sqrt{R^{2}}=\sqrt{0.839}=0.91597\approx 0.92\)

The value of r is 0.92.

The coefficient of determination R² specifies the percentage of the variance in the dependent-variable (Y) that is forecasted or explained by linear regression and the forecaster variable (X, also recognized as the independent-variable).

In this case, the R² value of 0.839 implies that 83.9% of the variation in the final average can be explained by the grades in the first test.

Answer:

The least amount they can spend is $276

Step-by-step explanation:

12 x 20 = 240

8 x 4 = 32

2 x 2 = 4

240 + 32 + 4 = 276

Stay happy-Livia

The number of tiles in the bag of 10 that are yellow in colour are; 5 tiles

We are given;

Total number of tiles in bag = 10 tiles

Now, we are told that in the bag, the tiles are either blue, green, red, or yellow.

Now, after selecting a tile, we are told that it is put back and as such we have after 100 selections that we have 24 blue tiles, 12 green tiles and 12 red tiles. Thus;

Number that will be yellow = 100 - 24 - 12 - 12 = 52 yellow tiles

Thus, it means that the probability of selecting a yellow tile is;

52/100

Thus, number of tiles out of the 10 in the bag that are yellow =

(52/100) * 10 = 5.2

Approximately 5 yellow tiles

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Complete question is;

How many yellow tiles are most likely in the bag? Enter the answer in the box. A tile is randomly selected from a bag that contains 10 tiles. The tiles are either blue, green, red, or yellow. After the color is recorded, the tile is placed back in the bag. A tile is pulled 100 times, of which 24 are blue tiles, 12 are green tiles, and 12 are red tiles.​

Answer:

A. 2.50

Step-by-step explanation:

25 ÷ 2 = 12.5

15 - 12.5 = 2.50

Answer:

b

Step-by-step explanation:

The factors of 16 are: 1, 2, 4, 8, 16

The factors of 24 are: 1, 2, 3, 4, 6, 8, 12, 24

The factors of 32 are: 1, 2, 4, 8, 16, 32

The factors of 40 are: 1, 2, 4, 5, 8, 10, 20, 40

Then the greatest common factor is 8

Answer:

x=-11

Step-by-step explanation:

14x-3x+16=7(x-4)

Distribute

14x-3x+16= 7(x) + 7(-4)

14x-3x+16=7x-28

Combine Like Terms

11x+16=7x-28

Combine like terms

4x+16=-28

Combine like terms

4x=-44

Isolate x

x=-44/4

Simplify

x=-11

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The fraction of the class that is sophomores is \(35/43\).

The fraction of the class that is sophomores, divide the number of sophomores by the total number of students in the class.

Number of sophomores = 35

Total number of students = 43

Fraction of sophomores = (Number of sophomores)/(Total number of students Fraction of sophomores)

Fraction of sophomores  \(= 35 / 43\)

Therefore, the fraction of the class that are sophomores is = \(35/43\).

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Answer:

0.2 miles

Step-by-step explanation:

The period of the sound wave created by the tuba is approximately 0.0134 seconds.

The speed of sound in air is given as 343 meters per second. The formula relating the speed of sound, wavelength, and period of a wave is:

v = λ × f

Where:

v = speed of sound (343 m/s)

λ = wavelength (4.61 m)

f = frequency (unknown)

To find the period, we need to determine the frequency of the sound wave. The period (T) is the reciprocal of the frequency (f), so we can rewrite the formula as:

v = λ / T

Rearranging the equation to solve for the period (T), we get:

T = λ / v

Substituting the given values, we have:

T = 4.61 m / 343 m/s

Calculating the value, we find:

T ≈ 0.0134 seconds

Therefore, the period of the sound wave created by the tuba is approximately 0.0134 seconds.

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Answer: 13 + 2x = 63 and the cost of one ticket is $25 (x=25)

Step-by-step explanation:

Build the equation from what it tells you.

The entire trip costs $63

The concert ticket that is included costs $13

Two passes cost the same amount, use x for what you don't know, 2x.

So,  13 + 2x = 63.

Find x = cost one pass.

13 + 2x = 63

-13.          -13

      2x= 50

    2x/2= 50/2

     x= 25

Answer:

It is H

Step-by-step explanation:

Answer:

B.  90 tickets

Step-by-step explanation:

For t tickets sold, we want the revenue equal to the cost.

25t = 450 +20t

5t = 450 . . . subtract 20t

t = 90 . . . . . divide by 5

90 tickets is the break-even point.

___

:D

Answer:

A

Step-by-step explanation:

Answer:

A) 0.58 (move the decimal point twice to the left b/c ur dealing with 100)

B) 0.156 (move the decimal point twice to the left b/c ur dealing with 100)

C) 0.0525 (move the decimal point twice to the left b/c ur dealing with 100)

Step-by-step explanation:

Answer:

y = ¼x

Step-by-step explanation:

The slope-intercept form is y = mx + b where m = slope, and b = y-intercept.

In order to transform the given equation into its slope-intercept form, isolate the y by dividing both sides by 4:

4y = x

\(\frac{4y}{4} = \frac{1*x}{4}\)

y = ¼x + 0, or simply, y = ¼x.

Answer:

Step-by-step explanation:

would help a lot if you show the picture or describe it very well.

Answer:

Yes, the new equipment appear to be effective in reducing the variation of​ weights.

Step-by-step explanation:

We are given that Quarters are currently minted with weights normally distributed and having a standard deviation of 0.065.

A simple random sample of 25 quarters is obtained from those manufactured with the new​ equipment, and this sample has a standard deviation of 0.047.

Let \(\sigma\) = standard deviation of weights of new equipment.

SO, Null Hypothesis, \(H_0\) : \(\sigma \geq\) 0.065      {means that the new equipment have weights with a standard deviation more than or equal to 0.065}

Alternate Hypothesis, \(H_A\) : \(\sigma\) < 0.065      {means that the new equipment have weights with a standard deviation less than 0.065}

The test statistics that would be used here One-sample chi-square test statistics;

                           T.S. =  \(\frac{(n-1)s^{2} }{\sigma^{2} }\)  ~ \(\chi^{2}__n_-_1\)

where, s = sample standard deviation = 0.047

           n = sample of quarters = 25

So, the test statistics  =  \(\frac{(25-1)\times 0.047^{2} }{0.065^{2} }\)  ~  \(\chi^{2}__2_4\)   

                                     =  12.55

The value of chi-square test statistics is 12.55.

Now, at 0.05 significance level the chi-square table gives critical value of 13.85 at 24 degree of freedom for left-tailed test.

Since our test statistic is less than the critical value of chi-square as 12.55 < 13.85, so we have sufficient evidence to reject our null hypothesis as it will fall in the rejection region due to which we reject our null hypothesis.

Therefore, we conclude that the new equipment have weights with a standard deviation less than 0.065.

Work Shown:

(f+g)(x) = f(x) + g(x)

(f+g)(x) = 2x+6 + 4x^2

(f+g)(x) = 4x^2+2x+6