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The length of a rectangle is one unit shorter than one-sixth of the width, x. Enter a simplified expression that represents the perimeter of the rectangle. Note: Use one variabl…
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The length of a rectangle is one unit shorter than one-sixth of the width, x. Enter a simplified expression that represents the perimeter of the rectangle. Note: Use one variabl…
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Feb 14, 2017
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The length of a rectangle is one unit shorter than one-sixth of the width, x.
Enter a simplified expression that represents the perimeter of the rectangle.
Note: Use one variable and a fraction in the answer.
Mathematics
middle-school
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Lets say that y represents length and x width.
From the text we can write:
y=x/6 - 1
Perimeter we calculate:
P = 2*x + 2*y
now we use y equation from above and put it in perimeter equation:
P = 2*x + 2*(x/6 - 1)
P = 2*(7x/6 - 1)
P = 7x/3 - 2
DikobrAz
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Feb 20, 2017
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DikobrAz
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