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The sum of two numbers is 86, and their difference is 20. find the two numbers
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At the olympic games, many events have several rounds of competition. one of these events is the men's 100-meter backstroke. the upper dot plot shows the times (in seconds) of the top 8 finishers in the final round of the 2012 olympics. the lower dot plot shows the times of the same 8 swimmers, but in the semifinal round. which pieces of information can be gathered from these dot plots? (remember that lower swim times are faster.) choose all answers that apply: a: the swimmers had faster times on average in the final round. b: the times in the final round vary noticeably more than the times in the semifinal round. c: none of the above.
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Mathematics, 21.06.2019 22:00
Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota
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Mathematics, 22.06.2019 00:30
Match the one-to-one functions with the graphs of their inverse functions.
Answers: 3
5/12-2/5 what is the awnser...
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