Mathematics, 17.10.2021 17:20 Jasten
Khẳng định nào sau đây là sai?
A. Q ⋂ R=Q B. N*⋂ R=N* C. Z ⋃ Q=Z D. N ⋃ N*=N*
Answers: 3
Mathematics, 21.06.2019 16:20
Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais
Answers: 2
Mathematics, 21.06.2019 17:30
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Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?
Answers: 1
Khẳng định nào sau đây là sai?
A. Q ⋂ R=Q B. N*⋂ R=N* C. Z ⋃ Q=Z D. N ⋃ N*=N*...
A. Q ⋂ R=Q B. N*⋂ R=N* C. Z ⋃ Q=Z D. N ⋃ N*=N*...
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