990cm of surface area
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9 months, you just multiply .75 by 12.
Answer:
282 square units
Step-by-step explanation:
I just answered this question
Answer:
if translated i might be able to help you with the question
Step-by-step explanation:
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Answer:
A=80 pounds, B=63 pounds
Step-by-step explanation:
Cost of type A=$4.35 per pound
Cost of type B=$5.80 per pound
Cost of A+ B=$713.40
A+B=143 pounds
A=143-B
QaPa+QbPb=713.40
A*4.35 + B*5.80=713.40
4.35A+5.80B=713.40
Substitute A=143-B
4.35(143-B) + 5.80B=713.40
622.05 - 4.35B + 5.80B=713.40
1.45B=713.40-622.05
1.45B=91.35
B=91.35/1.45
=63
B=63
Recall,
A+B=143
A+63=143
A=143-63
=80
A=80 pounds, B=63 pounds
