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Mathematics 8 Online
OpenStudy (anonymous):

helllp!! A tennis ball machine serves a ball vertically into the air from a height of 2 feet, with an initial speed of 130 feet per second. After how many seconds does the ball attain its maximum height? Round to the nearest hundredth.

OpenStudy (anonymous):

-16t^2+Vo+ho

OpenStudy (anonymous):

2 viewing but no help...

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