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bhallman94

  • 3 years ago

If a rectangle has a perimeter of 70, a length of x and a width of x - 9, find the value of the length of the rectangle.

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  1. liliy
    • 3 years ago
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    |dw:1338942105869:dw|

  2. liliy
    • 3 years ago
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    perimeter means add up all the sides: so x+x +(x-9+(x-9)=70

  3. liliy
    • 3 years ago
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    4x-18=70. 4x=88 x=22.

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