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Mathematics, 21.06.2019 19:00
Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers
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If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that
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Mathematics, 21.06.2019 20:00
The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?
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Mathematics, 21.06.2019 22:30
60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums, 28 play drums, 18 play the guitar. what is the probability that the applicant who gets the job plays drums or guitar?
Answers: 1
Nine times a number, diminished by 4 is 95...
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