Mathematics, 27.07.2019 04:00 gagem1278
Alocal store makes and sells handmade ceramic cookware. the store earns profit of one dollar more on each plate sold than it earns by selling one cup. if the profit the store earns on one day on the sales of cups and plates is given by the expression , kx+(k-1)y, what does y represent if k is the profit earned from selling each plate? a. the number of cups sold in one day. b. the number of plates sold in one day. c. the profit earned on the cups sold in one day. d. the profit earned on the plates sold in one day.
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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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Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.
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Fill in the table with whole numbers to make 430 in five different ways
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Alocal store makes and sells handmade ceramic cookware. the store earns profit of one dollar more on...
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