Mathematics, 21.01.2020 23:31 morganwendel126
Jona is thinking of two numbers. one number is 18 more than twice the other number. the sum of the numbers is 48. what two numbers is jona thinking of?
Answers: 3
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, spencertodd742
Jonathan puts $400 in a bank account. each year the account earns 6% simple interest. how much interest will be earned in 5 years?
Answers: 1
Mathematics, 22.06.2019 04:40, laderickaluckey
1. 25pi ft^2 2. 5pi ft^2 3. 10pi ft^2 3. 20pi ft^2
Answers: 2
Jona is thinking of two numbers. one number is 18 more than twice the other number. the sum of the n...
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