Find maximum height of ball if it is hit into air
The ball is hit into air. Its height, s, at time t, is provided by equation s(t)=-16t^2+62 t+4. Find maximum height of ball. Round to the nearest foot.
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Determine the null and the alternative hypotheses. Describe the contingency table of the expected frequencies. Calculate the test statistic.
Scores on aptitude test are distributed with mean of 220 and standard deviation of 30. The shape of distribution is unspecified. Determine the probability that the sampling error made in determining the population mean by mean of random sample of
Origin of beam is 35 feet from circle. At what angle of elevation must beam be aimed to make sure that it goes through hole?
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Determine quadratic function satisfying given conditions. Graph passes through origin, and the vertex is point (8, 8). What do h and k stand for in general equation y = a(x - h)2 + k?
A college statistics professor has office hours from 9am to 10:30am daily. A sample of waiting time to see professor(in minutes) is 10,12 20, 15, 17, 10, 30, 28,35, 28, 19, 27, 25, 22, 33, 37, 14, 21, 20, 23. Supposing standard deviation is 7.84,
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If the object is projected upward from ground level with the initial velocity of 32 ft. per second, then it's height in feet after t seconds.
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