Mathematics, 02.12.2020 17:30 jane078
helicopter was flying the distance of 125 km against the wind in 45 min and flying back the same distance with the same weather took 25 min. find the speed of the helicopter and the wind.
Answers: 2
Mathematics, 21.06.2019 20:00
He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean and standard deviation according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%
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Mathematics, 21.06.2019 21:50
In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?
Answers: 1
helicopter was flying the distance of 125 km against the wind in 45 min and flying back the same dis...
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