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Mathematics, 19.07.2019 15:30, LuchaPug
If the discriminant of a quadratic equation is negative, how many real solutions does the equation have? a. 0 b. 1 c. 2 d. 3
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Mathematics, 21.06.2019 18:30, mauralawson
Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =
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