Friday

August 22, 2014

August 22, 2014

Posted by **Anonymous** on Saturday, April 6, 2013 at 3:44pm.

Set problem up and solve using derivatives.

- appliedcalculus -
**Steve**, Saturday, April 6, 2013 at 4:03pmif the sides are x,y

a = 2xy

now, 4x+4y=1000, so y=250-x and so

a = 2x(250-x) = 500x - 2x^2

da/dx = 500-4x

da/dx=0 when x=125

so, the enclosures are both squares, 125x125

**Related Questions**

optimization - A farmer wants to make 9 identical rectangular enclosures as ...

Math - Please help with this problem! Brandon wishes to fence in a rectangular ...

Calculus 12 Optimization - A farmer wishes to make two rectangular enclosures ...

Calculus 2 - A farmer wishes to build a fence for 6 adjacent rectangular pens. ...

Calculus Follow Up - A farmer wishes to build a fence for 6 adjacent rectangular...

Algebra - Suppose a farmer has 120 feet of fencing to make a rectangular ...

Math - Suppose a farmer has 120 feet of fencing to make a rectangular barnyard ...

math - a farmer has enough fencing to build 40 feet of fence. He wishes to build...

Calculus - a property owner wants to build a rectangular enclosure around some ...

Calculus - Farmer Jones has 480 feet of fence. She wishes to construct a ...