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Mathematics, 19.03.2021 20:50 raivynvieu6605

the distance d (in yard) of the first tower on a bridge from the road and the height h (in inches) above the road of a bridge is modeled by equation d^2 -39d + 324=h. At the first tower, if the driver of a car is looking down at the road from the bridge, how far away could the tower be from the road.​

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