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anonymous

  • one year ago

1. Find the distance between the points (2, -3) and (5, -4).

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  1. anonymous
    • one year ago
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    @Nnesha

  2. anonymous
    • one year ago
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    okay so

  3. Nnesha
    • one year ago
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    distance formula \[\huge\rm d=\sqrt{(x_2 -x_1)^2+(y_2-y_1)^2}\] plugin x's y's values :)

  4. anonymous
    • one year ago
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    okay.

  5. Nnesha
    • one year ago
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    x's and y's \[\rm (x_1,y_1)(x_2 ,y_2)\]

  6. anonymous
    • one year ago
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    \[d=\sqrt{?}(5-2)^2+(-4--3)\]

  7. anonymous
    • one year ago
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    idk how to do that thing where it puts it in there lol

  8. Nnesha
    • one year ago
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    it's okay i know what you mean and yes that' right

  9. anonymous
    • one year ago
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    no how to solve it

  10. Nnesha
    • one year ago
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    first solve the parentheses (5-2) and (-4-(-3)) and then take square

  11. anonymous
    • one year ago
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    d= square root of 9+-7

  12. Nnesha
    • one year ago
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    -4-(-3) = ??

  13. anonymous
    • one year ago
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    -7^2

  14. anonymous
    • one year ago
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    lol hang on that would be

  15. anonymous
    • one year ago
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    49

  16. anonymous
    • one year ago
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    so d= the square root of 58

  17. anonymous
    • one year ago
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    @Nnesha

  18. anonymous
    • one year ago
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    which is 7.6

  19. anonymous
    • one year ago
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    right?

  20. Nnesha
    • one year ago
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    no no no -4-(-3) first distribute -3 by negative sign and then combine them

  21. anonymous
    • one year ago
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    uhhhhhh whhaa

  22. Nnesha
    • one year ago
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    |dw:1439994778548:dw| ther is invisible one so multiply negative one times -3 and then add -4 there is negative sign you can't remove the parentheses ntill u multiply it with negative on

  23. Nnesha
    • one year ago
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    one *

  24. anonymous
    • one year ago
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    what the heck. never heard of that

  25. anonymous
    • one year ago
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    so -12^2

  26. Nnesha
    • one year ago
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    you never heard that you should multiply negative one by -3

  27. Nnesha
    • one year ago
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    what negative one times -3 = ?

  28. anonymous
    • one year ago
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    heck to the no

  29. anonymous
    • one year ago
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    3

  30. Nnesha
    • one year ago
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    calm down.....

  31. Nnesha
    • one year ago
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    okay so |dw:1439994946005:dw|

  32. anonymous
    • one year ago
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    -12

  33. anonymous
    • one year ago
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    ha sorry

  34. Nnesha
    • one year ago
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    why did you multiply -4 by 3 ? subtract it's -4+3

  35. anonymous
    • one year ago
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    -1

  36. Nnesha
    • one year ago
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    yep right so \[\huge\rm \sqrt{(3)^2+(-1)^2}\]

  37. anonymous
    • one year ago
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    screw this. i got like 20 more of em to do. whates one thing you dont understand. i got a 90 in the class anyways

  38. anonymous
    • one year ago
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    I've been trying to figure these out for like 2 years and I still have no clue.

  39. Nnesha
    • one year ago
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    3^2 is same as 3 times 3 and 1^2 is same as 1 times 1

  40. Nnesha
    • one year ago
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    take square of 3 and 1and then add them together that's it

  41. anonymous
    • one year ago
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    so 10

  42. anonymous
    • one year ago
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    then whatever the square root of 10 is

  43. Nnesha
    • one year ago
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    yes right!

  44. anonymous
    • one year ago
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    yea.

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