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Mathematics, 10.10.2021 05:00 chantelporter713
1. Clover made 2 quarts of hot chocolate for his family. He filled everyone's mugs and had some left over. Each mug can hold 1/5 quart. How much was left over?
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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) = .
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A0.40 kg soccer ball is kicked so that its incoming velocity of 5 m/s is changed to an outgoing velocity of -25 m/s. what impulse does the player apply to the ball?
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1. Clover made 2 quarts of hot chocolate for his family. He filled everyone's mugs and had some left...
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