Mathematics, 09.11.2020 19:10 rhineharttori
The graph below represents the linear relationship between the gallons of water leaked from the tank and the amount of time, in minutes. Which of these statements is supported by the rate of change in this relationship?
a
It takes 2 minutes for 4 gallons to leak out of the tank.
It takes 4 minutes for 3 gallons to leak out of the tank.
c
It takes 3 minutes for 4 gallons to leak out of the tank.
d
It takes 4 minutes for 2 gallons to leak out of the tank.
Answers: 3
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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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Line u passes through points (-52, -18) and (-29, 53). line v passes through points (90, 33) and (19, 56). are line u and line v parallel or perpendicular?
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The graph below represents the linear relationship between the gallons of water leaked from the tank...
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