Mathematics, 03.07.2019 21:30 moniquejg1800
Melanie has 230 coins in her collection. determine the number of european and non- european coins that she has in her collection?
Answers: 1
Mathematics, 21.06.2019 17:40
Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9
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Mathematics, 21.06.2019 19:30
Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ̊. how far is the man from the base of the bridge tower? with explanation and pictures .
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
Melanie has 230 coins in her collection. determine the number of european and non- european coins th...
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