BreNEl8l2ajburkshaii BreNEl8l2ajburkshaii

13-09-2016
Mathematics

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The volume of a rectangular prism is 2,058 cubic cm. The length of the prism is 3 times the width. The height is twice the width. Find the width of the prism.

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nobillionaireNobley nobillionaireNobley

19-09-2016

Let the width be w, length = 3w and height = 2w

Volume = length x width x height = w x 3w x 2w = 6w^3
6w^3 = 2,058
w^3 = 2,058/6 = 343
w = ∛343 = 7

width = 7 cm

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