perimeter = 2width + 2 length
102 = 2(x+9) + 2x
102 = 2x + 18 +2x
102 = 4x +18
84 = 4x
21 = x
Length = x = 21 inches
Width = x + 9 = 21 + 9 = 30 inches
In the lines below, explain how you determined your answer:
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Answer:
2.25
Step-by-step explanation:
x^2 + 3x =6
Take the coefficient of the x term
3
Divide by 2
3/2 = 1.5
Square it
1.5^2 =2.25
Add this to both sides of the equation
Answer:
3/2^2
Step-by-step explanation:
Answer:
1/8
Step-by-step explanation:
Because i guess and i got itt correct