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Math Help - Help with "evaluate"

  1. #1
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    Help with "evaluate"



    Evaluate:

    x+6
    x-3

    when
    x = 4
    x = 18
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  2. #2
    MHF Contributor Quick's Avatar
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    Quote Originally Posted by Suwanee


    Evaluate:

    x+6
    x-3

    when
    x = 4
    x = 18
    Evaluate means substitute...

    so when x=4 then: \frac{x+6}{x-3}=\frac{4+6}{4-3}=\frac{10}{1}=\boxed{10}

    now you try when x=18
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  3. #3
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    24
    15

    ??

    8/5

    1 3/5
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  4. #4
    Forum Admin topsquark's Avatar
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    Quote Originally Posted by Suwanee
    24
    15

    ??
    Looks good! You probably want to leave that as 8/5, depending on what your teacher wants.

    -Dan
    Last edited by topsquark; August 29th 2006 at 05:28 PM. Reason: Oops!
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  5. #5
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    How do I write the answer?
    10 and 8/5 ????
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  6. #6
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    Never mind. I see it.

    How do I write the answer?
    10 and 8/5 ????


    Oh never mind. I see it now. Thanks!!!!!
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  7. #7
    MHF Contributor Quick's Avatar
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    Quote Originally Posted by Suwanee
    How do I write the answer?
    10 and 8/5 ????
    Two different questions were asked, therefore you have two different answers.

    Tell me, if I said evaluate 2-1 and then evaluate 5-3 do you think you would add the different answers together?

    Edit: well I see you figured it out yourself
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  8. #8
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    no. thanks for your help!!!!! goodnight. may need help tomorrow.
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