Mathematics, 10.11.2020 07:30 Leilaniabma
Two brothers, Martin and Horace, are in their backyard. Horace is taking down a brick wall on one side of the yard while
Martin is building a brick wall on the other side. Martin lays 2 bricks every minute. Meanwhile, Horace takes down 3 bricks
each minute from his wall. They both start working at the same time. It takes Horace 55 minutes to finish tearing down his
wall.
a. How many bricks were originally in the wall that Horace Started tearing down?
b. Represent this situation with equations, tables, and a graph.
c. When did the two walls have the same number of bricks?
Answers: 3
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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.
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Two brothers, Martin and Horace, are in their backyard. Horace is taking down a brick wall on one si...
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