So area is base x height:
5(x+2)=20
5x+10=20
5x=10
x=2
its A
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If I understand you correctly, you want a fraction with
7 in the denominator, but the whole thing still has to
be equal to 9 .
Here's a fraction like that: 63/7 .
Answer:
Width = 9
Step-by-step explanation:
(P=2L+2W) = 72
L = 3W<- length is triple the width
(P = 2(3W) + 2W) = 72
P = 8W =72
W = 9
Answer:
123°
Step-by-step explanation:
2z +9 = x
y = z
2Z +9 + X + z +Y = 360
Substitute for Z
2Z +9 + 2z +9 + z + z = 360
6z +18 = 360
6Z = 342
Z = 57
2(57) +9 = 123
X = 123