Mathematics, 09.03.2021 20:20, johndous3698
Maribella buys 5 pounds of white potatoes and 78 as many pounds of sweet potatoes. How many pounds of sweet potatoes does she buy? Use paper to model the problem with a tape diagram. In the boxes below, express your answer as both a fraction greater than one and a mixed number.
Answers: 2
Mathematics, 21.06.2019 19:50, Roshaan8039
Prove (a) cosh2(x) ā sinh2(x) = 1 and (b) 1 ā tanh 2(x) = sech 2(x). solution (a) cosh2(x) ā sinh2(x) = ex + eāx 2 2 ā 2 = e2x + 2 + eā2x 4 ā = 4 = . (b) we start with the identity proved in part (a): cosh2(x) ā sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 ā sinh2(x) cosh2(x) = 1 or 1 ā tanh 2(x) = .
Answers: 3
Maribella buys 5 pounds of white potatoes and 78 as many pounds of sweet potatoes. How many pounds o...
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