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pinklion23

  • one year ago

Which of the ordered pairs in the form (x, y) is a solution of this equation? https://static.k12.com/bank_packages/files/media/mathml_64c9ba5aa2aeeeced75887bdf6c858db5c69d76f_1.gif A.The first is not a solution, but the second is. B.Both are solutions. C.Neither is a solution. D.The first is a solution, but the second is not.

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  1. pinklion23
    • one year ago
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    @Nnesha

  2. pinklion23
    • one year ago
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    @triciaal

  3. dakid88
    • one year ago
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    @mbma526

  4. Nnesha
    • one year ago
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    substitute x and y for each pair then solve if you get equal sides then order pair is a solution

  5. Nnesha
    • one year ago
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    \[\huge\rm 5x-\frac{ y }{ 3 }=13\] substitute (x,y) for (2,-9) replace x with 2 and y with -9

  6. triciaal
    • one year ago
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    as above. if the substitution (x,y) makes the equation true then (x,y) is a solution.

  7. pinklion23
    • one year ago
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    \[10-\frac{ -2 }{ 3}=13\]

  8. triciaal
    • one year ago
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    y = -9

  9. Nnesha
    • one year ago
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    y= -9 (2,-9)

  10. pinklion23
    • one year ago
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    ok so then the answer is D?

  11. Nnesha
    • one year ago
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    did you try 2nd one ?

  12. pinklion23
    • one year ago
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    oh right i have to do that on lol :)

  13. Nnesha
    • one year ago
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    yes substitute (x,y) for (3,-6)

  14. pinklion23
    • one year ago
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    \[15-\frac{ -6 }{ 3 }=13\]

  15. pinklion23
    • one year ago
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    right?

  16. Nnesha
    • one year ago
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    looks good what did you get at left side ?

  17. pinklion23
    • one year ago
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    um well -6/3=-2 so then 15+2does not equal 13 right

  18. Nnesha
    • one year ago
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    perfect!

  19. pinklion23
    • one year ago
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    yea can you help me with one or two more please x)

  20. Nnesha
    • one year ago
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    i'll try

  21. pinklion23
    • one year ago
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    Which pair are solutions to the equation? 4xy + 8 = 36 A.(1, 7) and (4, 9) B.(7, 1) and (3, 2) C.(1, 7) and (7, 1) D.(4, 9) and (3, 2)

  22. pinklion23
    • one year ago
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    @Nnesha

  23. Nnesha
    • one year ago
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    same steps

  24. pinklion23
    • one year ago
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    so A is wrong

  25. pinklion23
    • one year ago
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    B is wrong

  26. pinklion23
    • one year ago
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    c is right and D is wrong so C is the answer

  27. Nnesha
    • one year ago
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    why do you think C is correct ?? :=)

  28. pinklion23
    • one year ago
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    because 4*1*7=28+1=36 and 4*7*1+8=36 too

  29. Nnesha
    • one year ago
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    good work!

  30. pinklion23
    • one year ago
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    thx one more pls this one is harder

  31. pinklion23
    • one year ago
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    Which ordered pairs in the form (x, y) are solutions to the equation (x + 6)y = 9? Choose all answers that are correct. A.(−5, 9) B.(−3, 3) C.(3, 1) D.(7, 9)

  32. pinklion23
    • one year ago
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    oh um brb bathroom break sorry

  33. Nnesha
    • one year ago
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    same steps

  34. pinklion23
    • one year ago
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    im back and you changed you pic :)

  35. Nnesha
    • one year ago
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    yee :P

  36. pinklion23
    • one year ago
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    so A is right

  37. pinklion23
    • one year ago
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    b is right

  38. pinklion23
    • one year ago
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    c is right

  39. pinklion23
    • one year ago
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    and D is wrong

  40. pinklion23
    • one year ago
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    am i right?

  41. Nnesha
    • one year ago
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    ye you got it!

  42. pinklion23
    • one year ago
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    thx so much that is it your awesome :)

  43. Nnesha
    • one year ago
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    np&thanks

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