Monday
April 21, 2014

Homework Help: Precalculus

Posted by Emily on Thursday, September 17, 2009 at 12:55am.

"An aquarium with length x, width x-10, and height x-5 holds about 750 cubic feet of water. Find all real solutions of the equation (I wrote it) 750 = x(x-10)(x-5)."

I got the volume equation correct, right? I've tried dividing the factors of -750 by the factors of 1 (with this one theorem thingy), but I can't seem to get any real solutions. Does anyone know how to do this?

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