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christinaxxx

  • 4 years ago

how do i solve this?? the picture is attached!

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  1. christinaxxx
    • 4 years ago
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    |dw:1329946786612:dw|

  2. School_Island_sad_face
    • 4 years ago
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    I can't see the pic... I don't know what it is.... I mean I see it but don't know...

  3. fontez
    • 4 years ago
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    what?

  4. School_Island_sad_face
    • 4 years ago
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    sorry... I don't know what it is... Thats all I am saying

  5. christinaxxx
    • 4 years ago
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    hmm...

  6. christinaxxx
    • 4 years ago
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    those 2 letters are the letter "r"

  7. School_Island_sad_face
    • 4 years ago
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    :( sorry hope you figure it out!

  8. bahrom7893
    • 4 years ago
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    what is the question?

  9. christinaxxx
    • 4 years ago
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    i have to solve for "r"

  10. bahrom7893
    • 4 years ago
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    ohh that part that's coming out is length 3?

  11. christinaxxx
    • 4 years ago
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    yupp

  12. bahrom7893
    • 4 years ago
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    just use the pythagorean theorem: (r+3)^2 = 9^2+r^2

  13. christinaxxx
    • 4 years ago
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    thank u!

  14. bahrom7893
    • 4 years ago
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    r^2+6r+9=81+r^2

  15. bahrom7893
    • 4 years ago
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    subtract r^2 from both sides

  16. bahrom7893
    • 4 years ago
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    6r + 9 = 81 6r = 81-9 6r = 72 r = 12

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