deboerzac4809
20.10.2021 •
Mathematics
John is bored and decides to throw a tennis ball up and down in
the air while he is watching the pool. For one of his throws, he throws the tennis ball straight
up. The positionof the tennis ball can be modeled by the equation:
y=-4.9t² + 19.6t + 58.8
where position is measured in meters and time is measured in seconds.
At what time(s) is the ball 65 meters off the ground? Show your work.
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Ответ:
1. ∠XHW
2. BW
3. JI
4. ∠F
5. LX