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allie_bear22

  • 2 years ago

assuming x > 0 what is the simplified fraction form for 5x sqrt 3/ sqrt 48x^2?

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  1. allie_bear22
    • 2 years ago
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    @Luigi0210

  2. Luigi0210
    • 2 years ago
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    \[\frac{ 5x \sqrt{3} }{ \sqrt{48} x^2 }\] Is this what you mean?

  3. allie_bear22
    • 2 years ago
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    yea

  4. Luigi0210
    • 2 years ago
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    First we need to simplify the bottom radical, can you think of any factors of 48?

  5. allie_bear22
    • 2 years ago
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    2

  6. Luigi0210
    • 2 years ago
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    any factors that involve a 3?

  7. Luigi0210
    • 2 years ago
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    |dw:1369417374702:dw|

  8. allie_bear22
    • 2 years ago
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    3*16=48

  9. Luigi0210
    • 2 years ago
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    Yup, now are any of those a perfect square?

  10. allie_bear22
    • 2 years ago
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    i dont kno what tht means

  11. Luigi0210
    • 2 years ago
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    Like are any multiplied by the sane number.. such as 1*1=1, 5*5=25, 6*6=36, etc

  12. allie_bear22
    • 2 years ago
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    oh then yes

  13. Luigi0210
    • 2 years ago
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    which would that be?

  14. allie_bear22
    • 2 years ago
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    wait there isnt

  15. Luigi0210
    • 2 years ago
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    actually there is.. the 16? 4*4=16

  16. allie_bear22
    • 2 years ago
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    oh kk

  17. Luigi0210
    • 2 years ago
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    Okay now what you would do is bring that out and rearrange the variables to match up|dw:1369417838943:dw|

  18. Luigi0210
    • 2 years ago
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    Now you can simplify it down and that's your answer

  19. allie_bear22
    • 2 years ago
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    47. 5 sqrt x/4x

  20. allie_bear22
    • 2 years ago
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    @Luigi0210

  21. Luigi0210
    • 2 years ago
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    Or 5/4x

  22. allie_bear22
    • 2 years ago
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    can u help me with 1 more?

  23. Luigi0210
    • 2 years ago
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    Sure

  24. allie_bear22
    • 2 years ago
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    which of these graphs show the quadratic function y=2x^2+8x+7?

  25. allie_bear22
    • 2 years ago
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    1 Attachment
  26. allie_bear22
    • 2 years ago
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    @Luigi0210

  27. Luigi0210
    • 2 years ago
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    I'd say it's graph B

  28. allie_bear22
    • 2 years ago
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    omg thnk you soo much

  29. Luigi0210
    • 2 years ago
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    No prob

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