Mathematics, 09.07.2019 20:30 pineapplepizaaaaa
25. tiffany deposited two checks into her account this month. one check was for $70 and the second was for $25. her balance at the end of the month was $204 and she made no withdrawals. write and evaluate an expression that shows tiffany's balance at the beginning of the month. [] 204 + 70 + 25; $299 [] 204 - 70 + 25; $159 [] 204 + 70 - 25; $249 [] 204 - 70 - 25; $109
Answers: 1
Mathematics, 21.06.2019 17:20
Closing a credit card usually _your debt ratio.a. increasesb. decreasesc. improvesd. has no effect on
Answers: 1
Mathematics, 21.06.2019 18:20
The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?
Answers: 1
Mathematics, 21.06.2019 19:50
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
25. tiffany deposited two checks into her account this month. one check was for $70 and the second w...
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