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01-05-2019
Mathematics

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The volume of a box with height x, length x-1, and width 2x+2 is given by the binomial 2x^3-2x. What is the volume of the box if it’s height is 4 feet?

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a5904640 a5904640

01-05-2019

Height = x

Length = x - 1

Width = 2x + 2

And it's said that height = 4 feet

So, x = 4

Then:

H = 4

L = 4 - 1 = 3

W = 2.4 + 2 = 10

The volume is:

V = 4 . 3 . 10

V = 120 ft³

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