Mathematics, 01.04.2021 23:30 Madi2277
A motorboat travels 190 kilometers in 5 hours going upstream. It travels 280 kilometers going downstream in the same amount of time. What is the rate of the boat in still water and what is the rate of the current?
Answers: 2
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Sunday: 1 1 2 monday: 1 tuesday: 2 1 2 wednesday: 1 3 4 thursday: 2 friday: 1 1 2 saturday: 2 jenna is a swimmer and trains every day. the schedule shown outlines the number of hours she trains each day. what is the total number of hours that jenna trains during the week?
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Needmax recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 2
A motorboat travels 190 kilometers in 5 hours going upstream. It travels 280 kilometers going downst...
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