Mathematics, 21.12.2020 22:40 LunaGear
Nancy was 59 7/8 inches tall at the end of summer. she was 62 1/8 inches by her birthday in March. how much did she grow during that time?
Answers: 1
Mathematics, 21.06.2019 13:00
In the diagram below, dab and dac are adjacent angles. if mdac = 25ยฐ, what is mdab in degrees? what is mbac in degrees?
Answers: 3
Mathematics, 21.06.2019 17:00
Ataxi company charges $2.25 for the first mile and then $0.20 per mile for each additional mile, or f = $2.25 + $0.20(m - 1) where f is the fare and m is the number of miles. if juan's taxi fare was $6.05, how many miles did he travel in the taxi? if juan's taxi fare was 7.65, how many miles did he travel in taxi
Answers: 1
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
Nancy was 59 7/8 inches tall at the end of summer. she was 62 1/8 inches by her birthday in March. h...
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