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April 18, 2014

Homework Help: College Algebra

Posted by Audrey on Monday, January 21, 2013 at 8:06pm.

The load L a horizontal beam can safely support varies jointly as the width w and the square of the depth d and inversely as the length l. If a 12-foot beam with width 6 inches and depth 8 inches safely supports 600 pounds, how many pounds can a 14-foot beam that has width 5.5 inches and depth 4 inches be expected to support? Round to the nearest pound. Assume the two beams are made of the same material.

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