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2 years ago

Four time the diffrence of eight and a number

Mathematics

2 answers:

enot [183]2 years ago

7 0

Answer:

32-4x

Step-by-step explanation:

4(8)-4(x)

Vlad1618 [11]2 years ago

5 0

Four (4) time (*) the ( difference of eight and a number 8-x)

4(8-x)

4*8-4*x

32-4x

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The volume of a sphere can be described by the following formula, where V = volume and r = radius of the sphere.

Anika [276]

Option C: $r = \sqrt[3]{\frac{3V}{4\pi} }$ is the right answer

Step-by-step explanation:

Given formula for volume of a sphere is:

$V = \frac{4}{3}\pi r^3$

We have to make r the subject of the formula

Multiplying equation by 3/4

$\frac{3}{4}V = \frac{4}{3} * \frac{3}{4} \pi r^3\\\frac{3}{4}V = \pi r^3$

Dividing both sides by pi

$\frac{3}{4\pi}V =\frac{ \pi r^3}{\pi}\\\frac{3V}{4\pi} = r^3$

Taking cube root on both sides

$\sqrt[3]{\frac{3V}{4\pi} } = \sqrt[3]{r^3} \\ r = \sqrt[3]{\frac{3V}{4\pi} }$

Hence,

Option C: $r = \sqrt[3]{\frac{3V}{4\pi} }$ is the right answer

Keywords: Volume, Sphere

Learn more about volume at:

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3 years ago

Rena's rowboat drifts 23 feet from shore,

Brums [2.3K]

Answer: 23 + 9 = 32

Step-by-step explanation:

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2 years ago

THIS IS FOR 27 POINTS!!!<br> EXPLAIN PLEASE!!!!<br> Solve -9(2+a) + 4(2a+9)=11

Sindrei [870]

So,

First you have to distribute the numbers outside of the parentheses (you multiply them with the numbers inside of the parentheses

-18+(-9a) + 8a +36=11
Then collect like terms
18-1a =11
-18 -18
---------------------
-1a=-7
Divide both sides by -1
a=7

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2 years ago

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Are the statements true or false? <br><br> Select a true or false statement.

spayn [35]

Answer:

true and true

Step-by-step explanation:

i took the test

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3 years ago

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