Mathematics, 29.08.2020 21:01 devbar3416
7. Ray collects cars and trucks. Over the years, the number of cars he collected is 8 less than twice the number of trucks. If he has a total of 43 cars and trucks, how many trucks does Ray have?
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How much orange juice do you need to make 2 servings of lemony orange slush?
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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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Which of the following best describes the delian problem?
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Mathematics, 21.06.2019 21:00
What number line represents the solution set for the inequality -1/2 greater than or equal to 4
Answers: 1
7. Ray collects cars and trucks. Over the years, the number of cars he collected is 8 less than twic...
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