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Mathematics 16 Online
OpenStudy (anonymous):

using quadratic formula... The position s (in feet) at time t (in seconds) of an object moving in a straight line is given by the equation s=2t²-5t how many seconds will it take the object to move 25 feet? The speed of the current in a canal is 4mph. It takes twice as long for a houseboat to go 18 miles upstream as it does for it to go downstream. Find the speed of the boat in still water.

OpenStudy (anonymous):

ooops try that again using quadratic formula... The speed of the current in a canal is 4mph. It takes twice as long for a houseboat to go 18 miles upstream as it does for it to go downstream. Find the speed of the boat in still water.

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