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January 29, 2015

January 29, 2015

Posted by **lulu** on Monday, October 3, 2011 at 7:13pm.

- math -
**Steve**, Tuesday, October 4, 2011 at 12:04am1000 * 500

- math -
**tom**, Monday, May 14, 2012 at 11:13amThis is a quadratic equation where perimeter is only 3 sides so p=l x 2w and if width is x then side is 2000-2x then area = x(2000-2x) = 2000x-2x^2 the vertex of this parabola will be x=500 and length is 1000 for area=500000

calculus derivative =2000-4x=0 for max-min point and x=500

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