Can someone help its math :)
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Mathematics, 21.06.2019 16:30
Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?
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Mathematics, 21.06.2019 18:30
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 19:30
Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36
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Mathematics, 21.06.2019 20:30
Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?
Answers: 1
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