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KiArUnsYu

  • 2 years ago

What is the length of AB ? Round to the nearest hundredth. 5.83 6.32 7.12 3.70

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  1. hartnn
    • 2 years ago
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    where r the points ?

  2. KiArUnsYu
    • 2 years ago
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  3. hartnn
    • 2 years ago
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    could you first find co-ordinates of A and B ?

  4. KiArUnsYu
    • 2 years ago
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    A is (-1,3) and B is (5,1)

  5. hartnn
    • 2 years ago
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    correct, now use Distance between points (x1,y1) and (x2,y2) is \(\huge d=\sqrt{(x_1-x_2)^2+(y_1-y_2)^2}\)

  6. KiArUnsYu
    • 2 years ago
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    i got 7.2

  7. hartnn
    • 2 years ago
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    how ? ty again...

  8. hartnn
    • 2 years ago
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    *try again

  9. hartnn
    • 2 years ago
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    7.2 is incorrect..

  10. KiArUnsYu
    • 2 years ago
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    crap.

  11. hartnn
    • 2 years ago
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    show your work, i'll spot the error.

  12. KiArUnsYu
    • 2 years ago
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    (-1-5) is -6^2 which turns into 36

  13. hartnn
    • 2 years ago
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    correct what about 3 and 1

  14. KiArUnsYu
    • 2 years ago
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    OHMYSNAPP. its too early. thats why im making mistakes hehe okay i got it.

  15. hartnn
    • 2 years ago
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    glad to hear that :)

  16. hartnn
    • 2 years ago
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    that you got it*

  17. KiArUnsYu
    • 2 years ago
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    haha thanks.

  18. hartnn
    • 2 years ago
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    welcome ^_^

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