Cho
, AB
là hai tập con của
E
, Chứng minh rằng:
a)
A B B A ...
![subject](/tpl/images/cats/mat.png)
Mathematics, 10.11.2021 19:00 studyoverload
Cho
, AB
là hai tập con của
E
, Chứng minh rằng:
a)
A B B A .
![ansver](/tpl/images/cats/User.png)
Answers: 2
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Other questions on the subject: Mathematics
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Mathematics, 21.06.2019 23:00, daedae96
Answer this two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: two right triangles abc and edc have a common vertex c. angle abc and edc are right angles. ab is labeled 13 feet, ac is labeled 15 feet, ec is labeled 10 feet, and ed is labeled 4 feet. what is the approximate distance, in feet, between the two poles? 11.14 feet16.65 feet14.35 feet15.59 feet
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![image](/tpl/images/cats/mat.png)
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Mathematics, 22.06.2019 04:50, landowatson123
Astudy claims that the mean age of online dating service users is 40 years. some researchers think this is not accurate and want to show that the mean age is not 40 years. identify the null hypothesis, h0, and the alternative hypothesis, ha, in terms of the parameter μ. select the correct answer below: h0: μ≥40; ha: μ< 40 h0: μ≤40; ha: μ> 40 h0: μ≠40; ha: μ=40 h0: μ=40; ha: μ≠40
Answers: 3
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