katalinrisner1145 katalinrisner1145
  • 25-02-2020
  • Mathematics
contestada

What are the dimensions to maximize the area of a rectangular horse pen with 200 feet of fencing if the north side of the pen uses the side of the barn?

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thaovtp1407
thaovtp1407 thaovtp1407
  • 26-02-2020

Answer:

The dimensions to maximize the area is 50 by 100

Step-by-step explanation:

Let x= the length of the side perpendicular to the barn 

and 200-2x= length of the side parallel to the barn

Area = x(200-2x) (1)

Area =-[tex]x^{2}[/tex]+200x

The formula for the w-value of maximum is: -b/2a

thus our value will be:

200/4 =50

and substitue x = 50 into (1), we have:  200-2(20) =100

Thus the dimensions to maximize the area is 50 by 100

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