csalisbury2009 csalisbury2009

25-05-2014
Mathematics

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A rectangle's length is three times its width. Let w denote the rectangle's width. What polynomial represents the rectangle's area?

Respuesta :

25-05-2014

Width = ' W '
Length = 3 times as long = 3W

Area = (length) x (width) = (3W) x (W) = 3W²

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