3 years ago

The cube of the difference of 1 and a number.

Mathematics

1 answer:

Natasha2012 [34]3 years ago

8 0

$(1-x)^3$

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The volume of a cube is 125m3 if I L of a paint covers 6m2, how many liters of paint are needed to paint the outside of the cube

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Answer:

36 liters

Step-by-step explanation:

step 1

Find the length side of the cube

we know that

The volume of the cube is given by

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we have

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substitute

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solve for b

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step 2

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substitute the value of b

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step 3

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we know that

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so using proportion

$\frac{1}{6}\ \frac{L}{m^2} =\frac{x}{216}\ \frac{L}{m^2} \\\\x=216/6\\\\x=36\ L$

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