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anonymous

  • one year ago

PLEASE HELP I WILL MEDAL AND FAN Solve for r: C = 2pir. r = C over 2 pi r = 2 c all over pi r = C over pi r = pi times C all over 2

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  1. Michele_Laino
    • one year ago
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    Hint: if we divide both sides by 2*pi, we get: \[\Large \frac{C}{{2\pi }} = \frac{{2\pi r}}{{2\pi }}\] please simplify the right side

  2. anonymous
    • one year ago
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    2 pi r=c?

  3. UsukiDoll
    • one year ago
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    whenever there is a question like solve for r ... we need r to be by itself... so what do we need to do to make that happen?

  4. anonymous
    • one year ago
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    divide by 2

  5. UsukiDoll
    • one year ago
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    yes... we can do that... but there's more..

  6. anonymous
    • one year ago
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    2 pi

  7. UsukiDoll
    • one year ago
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    yes! so divide 2pi on both sides

  8. Michele_Laino
    • one year ago
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    hint: |dw:1434341418758:dw|

  9. anonymous
    • one year ago
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    r

  10. Michele_Laino
    • one year ago
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    so, what do you get?

  11. anonymous
    • one year ago
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    so A?

  12. Michele_Laino
    • one year ago
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    that's right!

  13. UsukiDoll
    • one year ago
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    yay!

  14. anonymous
    • one year ago
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    thanks! To whom do I medal?

  15. UsukiDoll
    • one year ago
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    let's all medal each other ^^

  16. Michele_Laino
    • one year ago
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    give the medal to @UsukiDoll she is a good helper!

  17. anonymous
    • one year ago
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    yes she is :)

  18. anonymous
    • one year ago
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    thanks!

  19. Michele_Laino
    • one year ago
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    :)

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spraguer (Moderator)
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