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Math Help - Algebra Questions - Simple but driving me crazy

  1. #1
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    Question Algebra Questions - Simple but driving me crazy

    Hey guys,

    Couple of questions i'm getting hung up on.... i know one of you guys will know the answers. I uploaded an attachment... hope thats easy enough.. if not let me know and i will figure out some other way to post the problems.

    Thanks,

    DEMPC

    BTW... is there an easy tool (calculator, etc) for typing in a math problem instead of saving it as an attachment?
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  2. #2
    A riddle wrapped in an enigma
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    Quote Originally Posted by dempc View Post
    Hey guys,

    Couple of questions i'm getting hung up on.... i know one of you guys will know the answers. I uploaded an attachment... hope thats easy enough.. if not let me know and i will figure out some other way to post the problems.

    Thanks,

    DEMPC
    Hi dempc,

    \left(\frac{a^{-3}b^7}{c^{-1}}\right)^4=\left(\frac{b^7c}{a^3}\right)^4=\frac  {b^{28}c^4}{a^{12}}

    \frac{5-x}{2x-10}=\frac{-(x-5)}{2(x-5)}=-\frac{1}{2}

    \frac{1}{2x^2}+\frac{1}{x^2y}=\frac{y+2}{2x^2y}

    Quote Originally Posted by dempc View Post
    BTW... is there an easy tool (calculator, etc) for typing in a math problem instead of saving it as an attachment?
    See http://www.mathhelpforum.com/math-help/latex-help/ and look at the first post for a PDF on how to use latex.
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  3. #3
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    Talking

    wow that was quick... thanks so much... i re-worked the problems and i see how you got your answers.

    Will post again if i run into any other problems.

    Thanks again,

    DEMPC
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  4. #4
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    one more for you

    How about this one?

    i came up with 3(x+3)/x+9 but i'm thinking it may just be 2

    Find and Simplify:

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  5. #5
    A riddle wrapped in an enigma
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    Quote Originally Posted by dempc View Post
    How about this one?

    i came up with 3(x+3)/x+9 but i'm thinking it may just be 2

    Find and Simplify:

    Answered here.
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