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Grazes Group Title

If a is not 0, a/x=b/y, and a/2b=c(3*(x/y), what is the value of c?

  • one year ago
  • one year ago

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  1. Grazes Group Title
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    |dw:1344036321046:dw| Just the 2 equations on the top

    • one year ago
  2. lgbasallote Group Title
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    so \[\huge a = \frac{bx}{y}\] agree?

    • one year ago
  3. Grazes Group Title
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    yep

    • one year ago
  4. lgbasallote Group Title
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    so if i substitute that into the second equation i will have \[\huge \frac{\frac{bx}{y}}{2b} = \frac{3xc}{y}\] you following?

    • one year ago
  5. Grazes Group Title
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    yup

    • one year ago
  6. lgbasallote Group Title
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    so again i simplify \[\huge \frac{bx}{2by} = \frac{3xc}{y}\] do you see the next step now?

    • one year ago
  7. Grazes Group Title
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    ohhh You can do that?

    • one year ago
  8. lgbasallote Group Title
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    which one?

    • one year ago
  9. Grazes Group Title
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    bx/y/2b=bx/2by

    • one year ago
  10. lgbasallote Group Title
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    \[\huge \frac{\frac{bx}{y}}{2b} \implies \frac{bx}{y} \times \frac{1}{2b} \implies \frac{bx}{2by}\] see it now?

    • one year ago
  11. Grazes Group Title
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    Okay.

    • one year ago
  12. lgbasallote Group Title
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    so do you see what you can do in \[\huge \frac{bx}{2by} = \frac{3xc}{y}\]

    • one year ago
  13. lgbasallote Group Title
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    hint: think of cancellation

    • one year ago
  14. Grazes Group Title
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    I got 6xc=x

    • one year ago
  15. lgbasallote Group Title
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    you can simplify more

    • one year ago
  16. lgbasallote Group Title
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    both sides have x right?

    • one year ago
  17. Grazes Group Title
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    6c=0?

    • one year ago
  18. Grazes Group Title
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    c=0?

    • one year ago
  19. lgbasallote Group Title
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    x/x is 0?

    • one year ago
  20. lgbasallote Group Title
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    a number divided by itself is 0?`

    • one year ago
  21. lgbasallote Group Title
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    is 2/2 = 0? 3/3 = 0? 4/4 = 0?

    • one year ago
  22. Grazes Group Title
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    one.

    • one year ago
  23. Grazes Group Title
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    same thing :/

    • one year ago
  24. lgbasallote Group Title
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    right

    • one year ago
  25. lgbasallote Group Title
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    it's not same thing

    • one year ago
  26. lgbasallote Group Title
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    write it down and you'll see it's not the same thing

    • one year ago
  27. Grazes Group Title
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    1=0

    • one year ago
  28. Grazes Group Title
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    c=1/6, then.

    • one year ago
  29. lgbasallote Group Title
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    correct

    • one year ago
  30. lgbasallote Group Title
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    and 1 is not equal to 0

    • one year ago
  31. lgbasallote Group Title
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    anyway c = 1/6

    • one year ago
  32. Grazes Group Title
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    thanks

    • one year ago
  33. lgbasallote Group Title
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    welcome ^_^

    • one year ago
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