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3 years ago

10

9.4.27

1 answer:

Dmitry [639]3 years ago

8 0

Answer:

w=15. l=6

Step-by-step explanation:

l=w-9

w=w

area=90

area=l×w

90 =w(w-9)

90=w²-9w

turn it to a quadriatic equation

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Read 2 more answers

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