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algebra

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A ball is thrown upward with an initial velocity of 14 meters per second from a cliff that is high. The height of the ball is given by the quadratic equation
H = 49t^2 + 14t +60
where h is in meters and t is the time in seconds since the ball was thrown. Find the time that the ball will be 30 meters from the ground. Round your answer to the nearest tenth of a second.

  • algebra - ,

    Sorry, the cliff is 30 feet high.

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