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I need help pleaseee .

I need help pleaseee .-example-1
User Gatmando
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1 Answer

8 votes

Answer:

3.78 yd

Explanation:

Rectangle area = length x width

a = (w+10)*w = w² + 10w = 52

w² + 10w - 52 = 0

w = (-10 ± √10²-4*1*(-52)) / 2 = (-10 ± √308)/2 = (-10 ± 17.55)/2

width must be positive: w = (-10 + 17.55)/ 2 = 7.55/2 = 3.78

User Uggeh
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