Asked by Shane
A rectangle has dimensions in feet as shown in the figure it is 2x +5
And one side is 8. I need to write an expression for the area of the rectangle.
B. Find the area of the rectangle, in sq.ft. if x=3
C. Find the value of x if the area of the rectangle is 160 square feet.
And one side is 8. I need to write an expression for the area of the rectangle.
B. Find the area of the rectangle, in sq.ft. if x=3
C. Find the value of x if the area of the rectangle is 160 square feet.
Answers
Answered by
Steve
The area is length * width:
(2x+5)(8) = 16x+40
Use that in B, and then solve for x if 16x+40 = 160
(2x+5)(8) = 16x+40
Use that in B, and then solve for x if 16x+40 = 160
Answered by
Roopsy Ghosh
(2x+5)(8)=16x+40 or 4x+4x+4x+4x+5(8)
x=3 then solve for x if 16x+40=160
x=3 then solve for x if 16x+40=160
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