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anonymous

  • one year ago

please help meeeee !!!! medal and fan <3

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    use the distance formula\[d =\sqrt{(x2-x1)^2 + (y2-y1)^2}\]

  3. anonymous
    • one year ago
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    are u sure that is the right formula to use ?

  4. anonymous
    • one year ago
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    x,1, y1 = -2, -4 and X2, y2 = 4, 3

  5. anonymous
    • one year ago
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    whats so with that logic i was right ?

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

  7. anonymous
    • one year ago
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    \[d= \sqrt{4-(4) + (3-16)}\]

  8. anonymous
    • one year ago
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    \[d= \sqrt{0 -13}\]

  9. anonymous
    • one year ago
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    This ends up as a complex number d= 13i

  10. anonymous
    • one year ago
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    have you studied complex numbers?

  11. anonymous
    • one year ago
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    naw lol i just really cant get this question wrong :p

  12. anonymous
    • one year ago
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    maybe I have made a mistake, its not in your four options

  13. anonymous
    • one year ago
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    but those are the only options i have it has to be there :(

  14. anonymous
    • one year ago
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    one second I will get someone else to look over my results, but I have doubled checked it, and there are no mistakes. @Thesmartone

  15. anonymous
    • one year ago
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    @Thesmarterone need you to check my results

  16. anonymous
    • one year ago
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    hes offfline

  17. anonymous
    • one year ago
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    @Black_ninja123 @triciaal

  18. Black_ninja123
    • one year ago
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    One sec let me check

  19. Black_ninja123
    • one year ago
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    B is correct

  20. anonymous
    • one year ago
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    What does B is correct mean?

  21. Black_ninja123
    • one year ago
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    B is the right answer

  22. anonymous
    • one year ago
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    Solution please

  23. anonymous
    • one year ago
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    yea can u prove it ?

  24. Black_ninja123
    • one year ago
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    \[d=(A.B)=\sqrt{x2-x1^{2}+y2-y1^{2}}\] This is the formula

  25. anonymous
    • one year ago
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    wait @HelpOfTheGods

  26. anonymous
    • one year ago
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    ok yea i seen that formula in my lesson so im thinking thats prob right since i have 0 clue lol

  27. Black_ninja123
    • one year ago
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    \[\sqrt{-2 - 4^{2}+-4-3^{2}}\]

  28. anonymous
    • one year ago
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    @Black_ninja123 chose the points in reverse

  29. Black_ninja123
    • one year ago
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    \[\sqrt{36+49}\]

  30. Black_ninja123
    • one year ago
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    \[\sqrt{85}\]

  31. Black_ninja123
    • one year ago
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    Square root of 85 is 9.22

  32. anonymous
    • one year ago
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    was anything I did @Black_ninja123 incorrect?

  33. Black_ninja123
    • one year ago
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    you said -2^2 is 4 but its actually -4

  34. anonymous
    • one year ago
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    are you joking me? -2 x -2 = 4 not -4!

  35. Black_ninja123
    • one year ago
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    Use the calculator and its gonna tell you -4

  36. anonymous
    • one year ago
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    I appreciate your help on this one @Black_ninja123

  37. anonymous
    • one year ago
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    I entered (-2)x (-2) and it still gives me +4

  38. Black_ninja123
    • one year ago
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    enter -2^2

  39. anonymous
    • one year ago
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    still +4

  40. Black_ninja123
    • one year ago
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    ok

  41. anonymous
    • one year ago
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    I can change the rules of arithmetic for integers if you like

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