Question

I need help pleaseee .

Answer 1

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