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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Answer:
5. D (4,6)
6. B (7.8)
Step-by-step explanation:
5. Add the two X coordinates (6+2) and divide that by 2 (8/2=4), do the same for the two Y coordinates (4+8=12, 12/2=6)
6. Use the distance formula
Input the coordinates