Giup mình câu C với các bạn ơi
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Mathematics, 21.06.2019 16:10
The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.
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Mathematics, 21.06.2019 17:00
Me! last question, and i'm stuck! write the algebraic expression that models the word phrase. the product of 2 divided by the number h and 8 more than the number k
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Mathematics, 21.06.2019 18:30
Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.
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Mathematics, 21.06.2019 19:00
What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2
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