A flat rectangular piece of aluminum has a perimeter of 70 inches. The length is 11 inches longer than the width. Find the width
2 answers:
Answer:
The answer is the option D
Step-by-step explanation:
we know that
The perimeter of a rectangle is equal to
where
L is the length side of the rectangle
W is the width side of the rectangle
In this problem we have
so
------> equation A
------> equation B
Substitute equation B in equation A and solve for W
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r=2
the sum of a geometric seequence is
a1=1
r=2
we want to find
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an=a1(r)^(n-1)
an=1(2)^(n-1)
a1=1
r=2
the sum of a geometric seequence is
a1=1
r=2
we want to find