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Lunna [17]
2 years ago
14

Please help me out with this asap.​

Mathematics
1 answer:
Maru [420]2 years ago
6 0

Answer:

a) 21

b) 3905.44236

c) 251.94689

d) 1763.62824

Step-by-step explanation:

a) 42÷2=21

b) 60x42=2520

\pir²=1385.44236

2520+1385.44236=3905.44236

c) 2x\pix21=131.94689+60+60=251.94689

d) 251.94689x7=1763.62824

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3 years ago
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Answer:

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Step-by-step explanation:

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