Mathematics, 20.11.2020 18:40 crybabyyy1494
A gold mine has two elevators, one for equipment and another for miners. The equipment elevator descends 4 feet per second, and the elevator for the miners descends 13 feet per second. One day the equipment elevator begins to descend. After 20 seconds, the elevator for the miners begin to descend. What is the position of each elevator relative to the surface after another 18 seconds?
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Mathematics, 21.06.2019 16:30
Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form
Answers: 1
Mathematics, 21.06.2019 19:00
The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?
Answers: 1
Mathematics, 21.06.2019 19:40
It appears that people who are mildly obese are less active than leaner people. one study looked at the average number of minutes per day that people spend standing or walking. among mildly obese people, the mean number of minutes of daily activity (standing or walking) is approximately normally distributed with mean 376 minutes and standard deviation 64 minutes. the mean number of minutes of daily activity for lean people is approximately normally distributed with mean 528 minutes and standard deviation 107 minutes. a researcher records the minutes of activity for an srs of 7 mildly obese people and an srs of 7 lean people. use z-scores rounded to two decimal places to answer the following: what is the probability (image for it appears that people who are mildly obese are less active than leaner people. one study looked at the averag0.0001) that the mean number of minutes of daily activity of the 6 mildly obese people exceeds 420 minutes? what is the probability (image for it appears that people who are mildly obese are less active than leaner people. one study looked at the averag0.0001) that the mean number of minutes of daily activity of the 6 lean people exceeds 420 minutes?
Answers: 1
A gold mine has two elevators, one for equipment and another for miners. The equipment elevator desc...
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