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Solving Quadratic Equation...
Mathematics, 02.11.2020 21:00 sheldonwaid4278
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Solving Quadratic Equations by Factoring Practice
Solving Quadratic Equations by Factoring: Practice
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A model rocket was launched from the top of a building. The rocket's approximate height can be modeled by the quadratic
equation h = 4.92 +53.9t + 127.4, where his the rocket's height, in meters, after t seconds.
When factored, this equation is h = -4.91 - 13Xt + 2). What is a reasonable time for it to take the rocket to land on the ground?
2 seconds
13 seconds
15 seconds
11 seconds
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Answers: 2
Mathematics, 21.06.2019 19:00
Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 23 = 10x a. -1.93, 11.93 b. 1.93, -11.93 c. 1.93, 11.93 d. -1.93, -11.93
Answers: 2
Mathematics, 21.06.2019 19:30
Needmax recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 2
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