daijahallen12
daijahallen12
08-12-2017
Mathematics
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I need help with this too
Respuesta :
xisca
xisca
08-12-2017
2a+ 3a +1+2a-3=40
7a-2=40
7a=42
a=6 so
2a=12
,
3a+1 = 19;
2a-3
= 12-3=9 so the shortest side is
9
and the longest is
19
so the difference is
10
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