A driveway is 10 feet long, 15 feet wide, and 7 inches deep. how many cubic feet of concrete will be required for the driveway? round your answer to the nearest cubic foot, if necessary.

Answers

Answer 1

Answer:

The amount of concrete that will be required for the driveway is 151200 cubic inches.

What is volume?

Volume is a collection of two - dimensional points enclosed by a single dimensional line. Mathematically, we can write volume as -

V = ∫∫∫ F(x, y, z) dx dy dz

Given is that a driveway is 10 feet long, 15 feet wide, and 7 inches deep.

The amount of concrete that will be required for the driveway will be equal to the volume of the driveway.

V = 10 x 12 x 15 x 12 x 7

V = 120 x 180 x 7

V = 21600 x 7

V = 151200 cubic inches

Therefore, the amount of concrete that will be required for the driveway is 151200 cubic inches.

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Answer 2

Answer:

Answer:

Step-by-step explanation:

V=l x w x h

(10) (15) (.58) = 87.5. Rounding=88

remember it's 7 inches not feet. 7/12=.58

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Write expression as a complex number in standard form and show work [(13i)/(1-2i)]

Answers

the solution
let A = 13i /1-2i
so A = 13i (1+2i) /(1-2i) ( 1+2i) = 13i (1+2i) /1² - (2i)² = 13i -26 / 1
finally A = 13i -26

5. Melanie put $5000 in a savings account that pays 1.25% interest compounded yearly. How much money will be in the account 10 years later if she makes no more deposits or withdrawals?

Answers

Answer: $5661 will be in the account 10 years later

Step-by-step explanation:

We would apply the formula for determining compound interest which is expressed as

A = P(1+r/n)^nt

Where

A = total amount in the account at the end of t years

r represents the interest rate.

n represents the periodic interval at which it was compounded.

P represents the principal or initial amount deposited

From the information given,

P = 5000

r = 1.25% = 1.25/100 = 0.0125

n = 1 because it was compounded once in a year.

t = 10 years

Therefore,

A = 5000(1 + 0.0125/1)^1 × 10

A = 5000(1.0125)^10

A = $5661

Square root of 512k^2. show work

Answers

we are asked to evaluate the square root of the expression 512 k^2.512 is not a perfect square but is divisible by the perfect square 256. square root of 256 is 16. hence square root of 512 is 16 square root of 2. square root of k2 meanwhile is equal to k. The answer hence is 16k square root of 2

Atlas Chemical Company wanted to keep its recruiting costs for the position of Chief Chemist to less than $100,000. The company spent $15,500 on advertising and $32,700 on interviewing expenses. They will pay 8% commission on selling the selected individual's home. What is the maximum selling price that Atlas would pay 8% commission on and stay within budget?

Answers

647,500 is my answer :33

1. Which expression is a cubic polynomial?3x^2 - 1
x^3 - 1
x^2 - x + 3
3x^2 - x + 3

2.Which of the following binomials is a factor of x^3 + 4x^2 +x - 6?

3. If a polynomial equation p(x) = 0 has 3 + 4i as a solution, what other solutions must it have?

Answers

1. A cubic polynomial is a polynomial of degree 3 (the degree of a polynomial is the highest degree among al terms), then the cubic polynomial is $x^3- 1$ .

2. The polynomial $x^3 + 4x^2 +x - 6$ has root x=1, then $x^3 + 4x^2 +x - 6=(x-1)(x^2+5x+6)=(x-1)(x+2)(x+3)$ .

3. If a polynomial equation p(x) = 0 has 3 + 4i as a solution and has real coefficients, then 3-4i is also a solution.

Answer:

1. x^3 - 1

2. P(x) = (x + 5)(x + 2)(x)

3. x + 2

4. 3 - 4i

Step-by-step explanation:

Please help only have 10 mins to finish this test

Answers

Answer:

The maximum height (vertex) is at (0,256), which is also when it began (Y-Intercept). It will take 4 units for it to hit the ground.

Let us know how you do on the test.

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