Mathematics, 31.05.2021 22:20 taten9551
Two mechanics worked on a car. The first mechanic worked for 10 hours, and the second mechanic worked for 15 hours together they charged a total of $2175. What was the rate charged per hour by each mechanic if the sum of the two rates was $170 per hour?
Answers: 2
Mathematics, 21.06.2019 19:30, shanua
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
Two mechanics worked on a car. The first mechanic worked for 10 hours, and the second mechanic worke...