Which one is the right answer ??
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Answers: 1
Mathematics, 21.06.2019 22:00, jladinosolarsee
If tan2a=cot(a+60), find the value of a, where 2a is an acute angle
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Mathematics, 21.06.2019 23:50, jasminer257
Mariah is randomly choosing three books to read from the following: 5 mysteries, 7 biographies, and 8 science fiction novels. which of these statements are true? check all that apply. there are 20c3 possible ways to choose three books to read. there are 5c3 possible ways to choose three mysteries to read. there are 15c3 possible ways to choose three books that are not all mysteries. the probability that mariah will choose 3 mysteries can be expressed as . the probability that mariah will not choose all mysteries can be expressed as 1 −
Answers: 1
Mathematics, 22.06.2019 01:30, nickeymcorrea
The pyraminx is a rubik's cube-type toy in the shape of a tetrahedron. the pyraminx shown below has edges 15\,\text{cm}15cm long and vertical height h=12.2\,\text{cm}h=12.2cm. the triangle drawn with dashed lines is a right triangle. what is the distance rr? round your answer to the nearest tenth.
Answers: 1
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