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KiArUnsYu

What is the distance between points (12, 4) and (18, –1)? Round to the nearest tenth. 7.8 6.1 4.7 9.9

  • one year ago
  • one year ago

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  1. hartnn
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    Distance between points (x1,y1) and (x2,y2) is \(\huge d=\sqrt{(x_1-x_2)^2+(y_1-y_2)^2}\)

    • one year ago
  2. hartnn
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    can you find 'd' now ?

    • one year ago
  3. KiArUnsYu
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    yes. thanks.

    • one year ago
  4. hartnn
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    welcome ^_^ if you want to verify your answer, post it...i'll verify for u.

    • one year ago
  5. KiArUnsYu
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    okay.

    • one year ago
  6. KiArUnsYu
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    i got \[\sqrt{-23}\]

    • one year ago
  7. hartnn
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    how ? that isn't correct..

    • one year ago
  8. KiArUnsYu
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    IM SO CONFUSED.

    • one year ago
  9. hartnn
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    ok, so we have \(\huge d=\sqrt{(12-18)^2+(4-(-1))^2}\) right? lets go step by step what is 12-18 =.... ?

    • one year ago
  10. KiArUnsYu
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    -6

    • one year ago
  11. hartnn
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    correct, and \((-6)^2 =\)

    • one year ago
  12. KiArUnsYu
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    -32

    • one year ago
  13. KiArUnsYu
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    NO 32.

    • one year ago
  14. hartnn
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    ? how ? 6*6 =.... ? its not 32

    • one year ago
  15. KiArUnsYu
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    I MEANT 36

    • one year ago
  16. hartnn
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    then you are correct!

    • one year ago
  17. KiArUnsYu
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    sorry

    • one year ago
  18. hartnn
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    now whats 4-(-1) =.. ?

    • one year ago
  19. KiArUnsYu
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    5

    • one year ago
  20. hartnn
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    good! and 5^2 =.. ?

    • one year ago
  21. KiArUnsYu
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    25.

    • one year ago
  22. KiArUnsYu
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    OKAY I SEE WHERE I MESSED UP!!

    • one year ago
  23. hartnn
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    so you have \(\sqrt {36+25}=..?\)

    • one year ago
  24. hartnn
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    good :) so tell me now what u get...

    • one year ago
  25. KiArUnsYu
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    7.8

    • one year ago
  26. hartnn
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    \(\checkmark \)

    • one year ago
  27. KiArUnsYu
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    :D THANKS!!

    • one year ago
  28. KiArUnsYu
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    could you help me with one more?

    • one year ago
  29. hartnn
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    sure! post it.

    • one year ago
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