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cutebunny12

  • one year ago

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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  1. anonymous
    • one year ago
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    C = πd \[81\frac{ 5 }{ 7 }=\frac{ 22 }{ 7 }d\]

  2. anonymous
    • one year ago
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    Do you know how to get d by itself?

  3. cutebunny12
    • one year ago
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    no

  4. anonymous
    • one year ago
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    ok. before doing that it might be easier to turn 81 5/7 into an improper fraction. can you do that?

  5. cutebunny12
    • one year ago
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    ok

  6. cutebunny12
    • one year ago
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    i got the answer

  7. cutebunny12
    • one year ago
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    21

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