Mathematics, 05.05.2020 14:29 jolainjoseph01998
Ten tiles numbered 1 through 10 are placed in a bag. You randomly choose one tile. Without replacing the first tile, you randomly choose a second tile. Find the probability of choosing the 6 and then a number greater than 3. Write your answer as a fraction in simplest form. The probability is .
Answers: 1
Mathematics, 21.06.2019 19:50, Roshaan8039
Prove (a) cosh2(x) − sinh2(x) = 1 and (b) 1 − tanh 2(x) = sech 2(x). solution (a) cosh2(x) − sinh2(x) = ex + e−x 2 2 − 2 = e2x + 2 + e−2x 4 − = 4 = . (b) we start with the identity proved in part (a): cosh2(x) − sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 − sinh2(x) cosh2(x) = 1 or 1 − tanh 2(x) = .
Answers: 3
Mathematics, 22.06.2019 00:00, kaylagoof4140
Which expression is a perfect cube? a. x8 b. y24 c. m28 d. x64
Answers: 3
Ten tiles numbered 1 through 10 are placed in a bag. You randomly choose one tile. Without replacing...
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