Mathematics, 07.01.2020 07:31 muffin261
Train x is traveling at a constant speed of 30 miles per hour and train y is traveling at a constant speed of 40 miles per hour. if the two trains are traveling in the same direction along the same route but train x is 25 miles ahead of train y, how many hours will it be until train y is 10 miles ahead of train x?
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Solve the equation below: (x+4)/6x=1/x a. x=2 b. x=0,2 c. x=-2 d. x=0,-2
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Max 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.
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