Mathematics, 16.03.2020 22:43 pr47723
A processing machine crushes 3 1/4 kilograms of dry fruits in 3/4 minute. What is the rate, in kilograms per minute, at which the machine crushes dry fruit?
A. 3/13
B. 16/39
C. 2 7/16
D. 4 1/3
(PLEASE INCLUDE STEP BY STEP)
Answers: 2
Mathematics, 21.06.2019 19:00
The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels
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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
A processing machine crushes 3 1/4 kilograms of dry fruits in 3/4 minute. What is the rate, in kilog...
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