unicornblob101 unicornblob101

03-04-2017
Mathematics

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I need help on #23! I do not get this at all. Someone please help me

I need help on 23 I do not get this at all Someone please help me class=

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03-04-2017

Lenght is 4 + w
Width w

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Goalinetsky Goalinetsky

03-04-2017

(w+4)(w) = 96
w² + 4w = 96
w² + 4w + 4 = 96 + 4
(w + 2)² = 100
w + 2 = 10
w = 8
[tex]l[/tex] = 8 + 4
[tex]l[/tex] = 12

8ft x 12ft

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