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7. A) The perimeter of a rectangle is the sum of the lengths of its four sides. Write an

expression for the perimeter of the rectangle and then evaluate when x = ½ foot.

B) The area of a rectangle is the product of its length and width. Write an expression
for the area of the rectangle and then evaluate when x = ½ feet.
**SHOW WORK!!**
x
3x+1
PERIMETER EXPRESSION:__________When x=1/2 foot :_________

AREA EXPRESSION:______________When x=1/2 foot :__________

1 Answer

4 votes

Answer:

expression:3(1/2)+1 ; 2 1/2

Explanation:

Combine 3 and 1/2

3+1/2

=5/2

Simplify the expression.

=5/2

=2

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