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Please solve question 2.
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Nov 16, 2017
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Please solve question 2.
Mathematics
high-school
Felix Olszewski
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Felix Olszewski
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Hello,
L=2W-3
and Area= (2W-3)W=77
==>2W²-3W-77=0
==> (W=7) or (W=-22/4 to exclude <0)
If W=7 then 2*W-3=14-3=11
Area=7*11=77
Photgraphy is 7 by 11 (cm)
Vitali Kotik
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Nov 22, 2017
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Vitali Kotik
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