Let x be the width
Lenght = 10x + 8.1
(10x + 8.1)2 + 2x = 515.6
22x = 499.4
x = 22.7
Area = l*w
= 22.7*235.1
= 5336.77
= 5340( nearest tens)
Answer:
Y = -3(x - 5/6)^2 - 59/12 and x = 5±i√59/6
Step-by-step explanation:
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