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anonymous

  • 5 years ago

The area od a rectangular athletic field is represented by the expression 81y^2-16z^2 square meters. Write an algebraic expression to represent one possible set of dimensions ( in the sense of lenght times width) of the athletic field. Include correct units with your solution.

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  1. amistre64
    • 5 years ago
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    81 and 16 are squares so difference of squares

  2. anonymous
    • 5 years ago
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    (9y + 4z)(9y - 4z)

  3. amistre64
    • 5 years ago
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    (9y-4z) (9y+4z)

  4. amistre64
    • 5 years ago
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    meters lol

  5. anonymous
    • 5 years ago
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    so one factor is the length and one the breadth

  6. anonymous
    • 5 years ago
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    ok so which is it. is it (9y + 4z)(9y - 4z) or (9y-4z) (9y+4z)

  7. amistre64
    • 5 years ago
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    both...pick one and stick to it

  8. amistre64
    • 5 years ago
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    which would you rather have? 20 dollars and 32 more? or 32 dollars and 20 more?

  9. anonymous
    • 5 years ago
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    ok.

  10. anonymous
    • 5 years ago
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    so length is 9y-4z and width is 9y+4z for my answer.

  11. anonymous
    • 5 years ago
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    yeah

  12. amistre64
    • 5 years ago
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    that looks good ;)

  13. amistre64
    • 5 years ago
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    meters....include meters

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