Mathematics, 21.07.2020 21:01 ashiteru123
1. In a class there are 40 students. 90% of them take exams; 3/4 of those who took the exam passed. How many students graduated?
A. 27
B. 30
C. 33
D. 36
Answers: 2
Mathematics, 21.06.2019 15:00
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Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²
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Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?
Answers: 3
1. In a class there are 40 students. 90% of them take exams; 3/4 of those who took the exam passed....
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