Homework Help: math

Posted by jeniza on Thursday, June 23, 2011 at 4:47am.

An open box is to be made from a rectangular piece of tin 12 inches long and 10 inches wide by cutting pieces of x-inch square from each corner and bonding up the sides. find the formula that expresses the volume of the box as a function of x.

math - Reiny, Thursday, June 23, 2011 at 7:28am
volume = x(12-2x)(10-2x)

expand if needed.
math - Romulo, Saturday, July 9, 2011 at 8:27am
V=120x-44x2+4x3

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