OJuice
OJuice
01-06-2016
Mathematics
contestada
Please solve question 2.
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caylus
caylus
03-06-2016
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)
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