Mathematics, 22.02.2021 09:40 robertotugalanp1wlgs
Lina has five more than seven times as many pictures as photo albums. If she has 75 pictures, how many photo albums does she have?
Answers: 2
Mathematics, 21.06.2019 17:30
Student price tickets to a movie are $1 and non student tickets are $2 . 350 tickets are sold and the total amount made is $450. there were 250 student tickets sold . true or false .
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Mathematics, 21.06.2019 19:10
Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x
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Mathematics, 21.06.2019 19:50
Prove (a) cosh2(x) โ sinh2(x) = 1 and (b) 1 โ tanh 2(x) = sech 2(x). solution (a) cosh2(x) โ sinh2(x) = ex + eโx 2 2 โ 2 = e2x + 2 + eโ2x 4 โ = 4 = . (b) we start with the identity proved in part (a): cosh2(x) โ sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 โ sinh2(x) cosh2(x) = 1 or 1 โ tanh 2(x) = .
Answers: 3
Mathematics, 22.06.2019 00:30
What is the mean of the data set 125, 141, 213, 155, 281
Answers: 2
Lina has five more than seven times as many pictures as photo albums. If she has 75 pictures, how ma...
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