Mathematics, 16.12.2020 08:00 elijahchloesunshine
Kyle rowed his boat upstream for 50 minutes. It took him 30 minutes to row back downstream. His speed going upstream is two miles per hour slower than his speed going downstream. Find Kyle’s upstream and downstream speeds.
Answers: 2
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Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?
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Mathematics, 21.06.2019 17:30
Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.
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Kyle rowed his boat upstream for 50 minutes. It took him 30 minutes to row back downstream. His spee...
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