Write an algebric expression for the cost of carpeting a rectanhular room that is x yards by x+2 yards if carpeting costs $20.00 per sq. yard?
2006-11-02 05:08:44 · 9 answers · asked by kris10 1 in Science & Mathematics ➔ Mathematics
area =
x^2 + 2x
cost ($) =
( x^2 + 2x ) * 20
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2006-11-02 05:10:59 · answer #1 · answered by GoogleRules 3 · 0⤊ 0⤋
Cost = 20(X*(X+2))
2006-11-02 13:12:29 · answer #2 · answered by Jonny B 5 · 0⤊ 0⤋
x(x+2)/20=cost of carpet
2006-11-02 13:13:48 · answer #3 · answered by jason b 4 · 0⤊ 1⤋
Try this:
20x(x+2)=
20^2+40x
2006-11-02 16:42:27 · answer #4 · answered by Anonymous · 0⤊ 0⤋
c=20*x*(x+2)
c=20*x^2+40*x
2006-11-02 13:17:30 · answer #5 · answered by yupchagee 7 · 0⤊ 0⤋
area = x * (x + 2) =
x^2 + 2x yards
cost = 20.00/ yard
cost = 20x^2 + 40x
2006-11-02 13:12:48 · answer #6 · answered by Anonymous · 0⤊ 0⤋
the area of the carpet is ....x(x+2)...
hence the cost of carpentiing is $20(x)(x+2)
2006-11-02 13:12:42 · answer #7 · answered by indurti karthik 2 · 1⤊ 0⤋
Cost = [x * (x+2)] * $20/yd²
Cost = [x² + 2x] * $20
2006-11-02 13:15:08 · answer #8 · answered by Dave_Stark 7 · 0⤊ 0⤋
c is cost:
c = (x * (x+2)) * 20
2006-11-02 13:11:27 · answer #9 · answered by Anonymous · 0⤊ 0⤋