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October 30, 2014

Homework Help: math

Posted by j on Monday, October 15, 2012 at 9:35pm.

A water trough is 4 m long and its cross-section is an isosceles trapezoid which is 210 cm wide at the bottom and 280 cm wide at the top, and the height is 70 cm. The trough is not full. Give an expression for V, the volume of water in the trough in cm^3, when the depth of the water is d cm.

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