if a rectangle has a perimeter of 70, a length of x and a width of x-9, find the value of the length of the rectangle. A)4, B)31
, C)13, D)22
2 answers:
Answer:
It is 22 :)
Step-by-step explanation:
The answer is D) 22
X = 4
Length = 4
Width = - 5
Perimeter = 8 + -10
Perimeter = - 2
X = 31
Length = 31
Width = 22
Perimeter = 62 + 44
Perimeter = 106
X = 13
Length = 13
Width = 4
Perimeter = 26 + 8
Perimeter = 34
X = 22
Length = 22
Width = 13
Perimeter = 44 + 26
Perimeter = 70
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optional : rearrange the terms

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