Solve using elimination x-3y=7 and 2x-6y=12 *
A (0,2)
B (2,0)
C no solution
D inf...
Mathematics, 09.03.2021 09:50 koshh4
Solve using elimination x-3y=7 and 2x-6y=12 *
A (0,2)
B (2,0)
C no solution
D infinitely many solutions
Answers: 2
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Answers: 1
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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
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Answers: 1
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Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.
Answers: 1
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