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julsineya [31]
2 years ago
13

"cube has a volume of 125 cubic inches. What is the length of each edge?"

Mathematics
1 answer:
s2008m [1.1K]2 years ago
6 0
5. Each side is equal and you need to find what number times itself 3 times gets 125, which in this case is 5. 5x5x5= 125, which means 5 is the correct answer.
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It takes three identical water pumps 8 hours to fill a pool, What is the constant of variation?
BaLLatris [955]

Answer:

Constant of variation is 24.

Step-by-step explanation:

Inverse variation states that a relationship between two variables in which the product is remain constant.

If one variable increases then, the other one decreases in proportion so that the product is unchanged,

if y is inversely proportional to x i.e y \propto\frac{1}{x} or

y =\frac{k}{x} ;where k is the constant of variation.

It is given that 3 identical water pumps takes 8 hours to fill a pool,

since, it will take less time with  more pumps, so it is an inverse variation.

By definition of inverse variation;

time = \frac{k}{pump}

Substitute the values to solve for k;

8 = \frac{k}{3}

Multiply by 3 to both sides we get;

8 \times 3 = \frac{k}{3} \times 3

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3 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
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Makovka662 [10]

Answer:

<h2> a.  392.7 yd³</h2><h2 />

Step-by-step explanation:

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<u>plugin values into the equation:</u>

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3 0
3 years ago
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2 years ago
Natalie bought 4 large drinks and 4 large bags of popcorn. Each bag of popcorn cost $4.00 each and she spent $26. How much was e
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7 0
2 years ago
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