Answer:
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Step-by-step explanation:
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2x-1=0
2x=1
x=1/2
x+5=0
x=-5
Final answer: B
Perimeter of a parallelogram = 2(l + w). But w = l - 4
Therefore, 72 = 2(l + l - 4) = 2(2l - 4) = 4l - 8
4l = 72 + 8 = 80
l = 80/4 = 20
w = 20 - 4 = 16
Therefore, length = 20 meters and width = 16 meters
Answer: m=-5/3
Step-by-step explanation:
