And i college library there are four times as many non-fiction books as fiction books.
a. fin...
Mathematics, 17.01.2020 08:31, luisaareli6298
And i college library there are four times as many non-fiction books as fiction books.
a. find the ratio of the number of nonfiction book to the number of fiction books give your answer in fraction form. give your answer in fraction form
b. how many times the number of nonfiction books is the number of fiction books?
c. suppose the number fiction books is 2/7 times the number of nonfiction books what would be the ratio of the number of nonfiction books to the number of total number of books give your answer in fraction form
Answers: 1
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Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary
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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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