Mathematics, 24.09.2019 11:00 lilpeepxliltracy
Aball is thrown from an initial height of 7 feet with an initial upward velocity of 23/fts. the ball's height h (in feet) after t seconds is given by the following.
h=7+23t-16t^2
find all values of t for which the ball's height is 15 feet.
round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.)
Answers: 1
Mathematics, 21.06.2019 18:20
17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.
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Mathematics, 21.06.2019 21:00
Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?
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Aball is thrown from an initial height of 7 feet with an initial upward velocity of 23/fts. the ball...
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