Mathematics, 20.07.2019 11:30 glamorouspotato1251
Aplane travels from new york city to boston once each day how far does the plane travel in one week on this route the chart is boston, ma 217| rochester, ny 345| salt lake city, ut 2,171 estimate your answer then find the exact answer use rounding, regrouping, or place value. describe the strategy you used. exact answer strategy
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Leo has b boxes of pencils. each box contains 6 pencils. he has a total of 42 pencils. the equation that represents this situation the value of b that makes the equation true the first one is b+6=42,6b=42,b=42+6,or 42b=6 the second one are 7,836 48
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Mathematics, 21.06.2019 19:50
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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Aplane travels from new york city to boston once each day how far does the plane travel in one week...
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