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Given cos x = - √15/4 and 90°< x <180°,...
Mathematics, 14.11.2021 21:00 mothertrucker2828
PLEASE HELP ME!!! ASAP
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Given cos x = - √15/4 and 90°< x <180°, find the exact value for cos 2x
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The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable
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Which expression is equivalent to 16 in exponential form? a) 4 × 4 b) 8 × 2 c) 23 d) 24
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