Mathematics, 11.09.2019 06:20, weeblordd
** a rock is thrown upward from the top of
a 25 foot tower with an initial upward
velocity of 100ft/sec. the height of a rock
above the ground as a function of time can
be modeled by the equation: h(t) =
- 16t? + 100t + 25. how long does it take
for the rock to fall back to the ground?
Answers: 3
Mathematics, 21.06.2019 17:00, yoongnzl
Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?
Answers: 1
Mathematics, 21.06.2019 20:30, cogger9348
3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.
Answers: 1
** a rock is thrown upward from the top of
a 25 foot tower with an initial upward
veloci...
a 25 foot tower with an initial upward
veloci...
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