Mathematics, 03.01.2020 10:31 Arealbot
Solve the system of equations. 3x - 2y = 9 x + y = 8 (6, 2) (3, 0) (1, 6) (5, 3)
Answers: 2
Mathematics, 21.06.2019 16:50
1. the wheeling bridge in west virginia is about 307 meters long. if you walk with a stride of about meter, about how many steps would it take you to cross this suspension bridge?
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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
Solve the system of equations. 3x - 2y = 9 x + y = 8 (6, 2) (3, 0) (1, 6) (5, 3)...
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