Me with this! 10 points and i will give brainliest : )
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Mathematics, 21.06.2019 19:50, Roshaan8039
Prove (a) cosh2(x) â sinh2(x) = 1 and (b) 1 â tanh 2(x) = sech 2(x). solution (a) cosh2(x) â sinh2(x) = ex + eâx 2 2 â 2 = e2x + 2 + eâ2x 4 â = 4 = . (b) we start with the identity proved in part (a): cosh2(x) â sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 â sinh2(x) cosh2(x) = 1 or 1 â tanh 2(x) = .
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Mathematics, 22.06.2019 00:30, ElizabethF
What is the interquartile range of this day at set?
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Mathematics, 22.06.2019 00:50, ladnerhailey16
Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.
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Mathematics, 22.06.2019 01:00, myasiaspencer
If log(a) = 1.2 and log(b)= 5.6, what is log(a/b)? a. 4.4b. 6.8c. not enough informationd. -4.4
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