Mathematics, 28.06.2019 21:30 cheefdogg420
Mark solved 18 out of 20 problems correctly on his math quiz. what percent of the problems were correct?
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Mathematics, 21.06.2019 18:50
The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x
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Mathematics, 21.06.2019 19:00
The distributive property allows you to say that 3(x β 1) = 3x β
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Mathematics, 21.06.2019 19:50
Prove (a) cosh2(x) β sinh2(x) = 1 and (b) 1 β tanh 2(x) = sech 2(x). solution (a) cosh2(x) β sinh2(x) = ex + eβx 2 2 β 2 = e2x + 2 + eβ2x 4 β = 4 = . (b) we start with the identity proved in part (a): cosh2(x) β sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 β sinh2(x) cosh2(x) = 1 or 1 β tanh 2(x) = .
Answers: 3
Mark solved 18 out of 20 problems correctly on his math quiz. what percent of the problems were corr...
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