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OpenStudy (cutebunny12):
The circle formed by the blades of a fan has a circumference of eighty-one and five-sevenths inches. What is its diameter? Use twenty-two sevenths for pi.
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OpenStudy (anonymous):
C = πd \[81\frac{ 5 }{ 7 }=\frac{ 22 }{ 7 }d\]
OpenStudy (anonymous):
Do you know how to get d by itself?
OpenStudy (cutebunny12):
no
OpenStudy (anonymous):
ok. before doing that it might be easier to turn 81 5/7 into an improper fraction. can you do that?
OpenStudy (cutebunny12):
ok
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OpenStudy (cutebunny12):
i got the answer
OpenStudy (cutebunny12):
21
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