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USPshnik [31]
3 years ago
6

SOMEONE PLEASE HELP ME

Mathematics
1 answer:
notka56 [123]3 years ago
3 0
Area of deck= 2(20w)+4(w^2)+2(50w)d
456=2(20w)+4(w^2)+2(50w)

456=40w+4w^2+100w

456=4w^2+140w

114=w^2+35w

0=w^2+35w-114

find what 2 numbers multiply to get 114 and add to get 35 and factor

-3 and 38

0=(w-3)(w+38)

set each to zero

w-3=0

w=3
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Answers to 1, 2, and 3 are in the picture

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