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Math Help - quadradic problems

  1. #1
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    quadradic problems

    Hi

    1. Write an expression for the perimeter of a regular pentagon with side length (y-2) units?

    what would be the expression for number 1

    2. A log 30 meters long has 6 sections of m meters cut from it. How much wood remains?

    what do i have to do here?
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  2. #2
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    Quote Originally Posted by salam View Post
    Hi

    1. Write an expression for the perimeter of a regular pentagon with side length (y-2) units?

    Mr F asks: Do you know what a pentagon is? Do you know what's special about a regular pentagon? Do you know what perimeter is?

    what would be the expression for number 1

    2. A log 30 meters long has 6 sections of m meters cut from it. How much wood remains?

    Mr F asks: How much wood has been cut from it altogether? How much wood was there to start with? Therefore .....

    what do i have to do here?
    ..
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