let the width of the rectangle be x
area of rectangle is l*b
x * (x + 6) = 40^2
x^2 + 6x = 40^2
x^2 + 6x = 1600
x + 6x =√1600
x + 6x = 40
7x = 40
x = 5.7
Hope you found this useful
Answer:
23346.5
Step-by-step explanation:
add them together and divide by 2
Y-5= 3(x-0)
Y-5= 3x
Y= 3x + 5
Hope this helps!
Step-by-step explanation:
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X/7-4=-2 u add two to both sides
x/7-2=0you add two to both sides again
x=14 u multiplied 7 and 2 and by x
