4 years ago

Simplify. enter the answer in the box.

Mathematics

1 answer:

stich3 [128]4 years ago

7 0

Answer:

0.005859375

Step-by-step explanation:

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The area of a pizza is 113 square inches. What would the radius have to be to make that statement true?

gtnhenbr [62]

Answer:

6 in.

Step-by-step explanation:

$A = r^2\pi$

$R = \sqrt{\frac{A}{\pi } }$

$R = \sqrt{\frac{113}{\pi } }$

$R = \sqrt{36}$

$R = 6$

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3 years ago

The pirate's plank has a perimeter of 18 feet and an area of 14 square feet. Which answer below most likely describes the length

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irinina [24]

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Sladkaya [172]

I will go about solving this using the elimination method.

First, convert the equations.

10x + y = -20
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Second, find the easiest variable to get rid of and get rid of it! (In this case, y) We will subtract to get rid of y.

6x = -8

Third, you want to solve the equation.

6x = -8 (divide by 6)
x = $-1 \frac{1}{3}$

Fourth, solve for y by inserting the answer for x into one of the equations.

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$-13 \frac{1}{3}$ + y = -20 (subtract $-13 \frac{1}{3}$ )
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The solution for this system of equations is ( $-1 \frac{1}{3}$ , $-6 \frac{2}{3}$ ).

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Step-by-step explanation:

I think B or F is the best answer

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