SOLUTION:
Two fishing boats depart a harbor at the same time, one traveling east, the other south. The eastbound boat travels at a speed 7 mi/h faster than the southbound boat. After thre
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Question 798412:
Two fishing boats depart a harbor at the same time, one traveling east, the other south. The eastbound boat travels at a speed 7 mi/h faster than the southbound boat. After three hours the boats are x = 39 mi apart. Find the speed of the southbound boat.
Found 2 solutions by richwmiller, MathTherapy:
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
(3x+21)^2+(3x)^2=39^2
18x^2+126x+441 = 1521
x=5 mph southbound
Answer by MathTherapy(10552) (Show Source): You can put this solution on YOUR website!
Two fishing boats depart a harbor at the same time, one traveling east, the other south. The eastbound boat travels at a speed 7 mi/h faster than the southbound boat. After three hours the boats are x = 39 mi apart. Find the speed of the southbound boat.
Southbound boat's speed = mph
You can do the check!!
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