roryfellisp8dl9a roryfellisp8dl9a

09-05-2018
Mathematics

contestada

Organizers of an outdoor concert will use 320 feet of fencing to fence off a rectangular VIP section. What is the maximum area that they can fence off? A) 3,200 square feet B) 6,400 square feet C) 12,800 square feet D) 24,000 square feet

Respuesta :

popalabdulqayou popalabdulqayou

14-05-2018

2(l+w)=320

l+w= 160

l=160-w

lw=A

160w-w²= A

w²-160w+A=0

w max= -b/(2a)= 160/2= 80 ft

Max A = 160(80)-(80)²= 6400 ft²

So B is correct

Answer Link

1400131356 1400131356

26-04-2021

Answer:

B

Step-by-step explanation:

Answer Link

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