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cooboy
30.08.2019 •
Mathematics
The airplane in the scale drawing has a wingspan of a feet and a tailspan of b feet. if the tailspan in the drawing is 2 inches, and ab = 3, what is the actual wingspan of the airplane?
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Ответ:
30 feet is correct. Since a = 3b, the wingspan is 6 inches in the drawing, so it is 6x5 = 30 feet on the plane.
Ответ:
Step-by-step explanation:
let the number=x
2(x+9)=x-3
2x+18=x-3
2x-x=-3-18
x=-21