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Math 115 25

posted by on .

Perform the indicated operation

17-19 ÷ (5)(5) -30

  • Math 115 25 - ,

    Show parentheses

  • Math 115 25 - ,

    what do u mean
    this is what i come up with:
    -2 ÷ -5 = .4

  • Math 115 25 - ,

    It could also be
    (-2/25) -30 = - 32 2/5
    or
    17 - (19/25) -30 = -13 19/25
    or a lot of other answers.

    What you calculated was
    (17-19)÷ [(5)(5) -30]= -0.4

    If you don't understand the importance of when and how to use parentheses, you are going to have a lot of difficulty with algebra

  • Math 115 25 - ,

    the way the problem was originally written is the way it is presented to me.
    The only parentheses are the ones in the denominator around the 5's

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