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anonymous

  • 5 years ago

Another difficult question!! (x+6)/10 divided by (36-x^2)/5

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  1. myininaya
    • 5 years ago
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    a/b divided by c/d= a/b times d/c

  2. anonymous
    • 5 years ago
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    I did set up the reciprocal so I am multiplying but that is where I get stuck!

  3. myininaya
    • 5 years ago
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    so you have [(x+6)*5]/[10*(36-x^2)] correct?

  4. anonymous
    • 5 years ago
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    Yes

  5. myininaya
    • 5 years ago
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    10=2*5 so a 5 can cancel?

  6. anonymous
    • 5 years ago
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    so (36-x^2) is equal to (6-x)(6+x)

  7. anonymous
    • 5 years ago
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    Ok

  8. myininaya
    • 5 years ago
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    since you have 6+x on top and 6+x on bottom that cancels

  9. anonymous
    • 5 years ago
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    right

  10. myininaya
    • 5 years ago
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    so you 1/[2*(6-x)]

  11. anonymous
    • 5 years ago
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    I cancelled the 6+x and now have 5/10(6-x)

  12. myininaya
    • 5 years ago
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    but what did we say about that 10

  13. anonymous
    • 5 years ago
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    Oh yeah, missed that!!

  14. myininaya
    • 5 years ago
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    ok cool!

  15. anonymous
    • 5 years ago
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    so then shall I multiply the 2(6-x) and get 12-2x

  16. myininaya
    • 5 years ago
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    if you want. When you take calculus though it will be better to leave it as the first way, but if your teacher wants you to mutliply the bottom thats correct

  17. anonymous
    • 5 years ago
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    Ok, I am not really sure how he wants it, I am taking an online math class and it sucks!!

  18. myininaya
    • 5 years ago
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    the test multiple choice?

  19. anonymous
    • 5 years ago
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    No, you just type your answer in

  20. myininaya
    • 5 years ago
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    ok i think you can type your answer either way. it should take it either way unless you can't use grouping symbols in your solution

  21. anonymous
    • 5 years ago
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    I will try. Thank you for your help!!

  22. myininaya
    • 5 years ago
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    np

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spraguer (Moderator)
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