Mathematics, 09.07.2019 20:00 Kkampudiaa
Boris chooses 3 different numbers . the sum of the 3 numbers is 36. one of the numbers is a cube number. the other 2 numbers are factors of 20. find the numbers that boris has chosen.
Answers: 1
Mathematics, 21.06.2019 16:10
Which expression gives the area of the triangle shown below
Answers: 1
Mathematics, 21.06.2019 19:40
What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?
Answers: 1
Mathematics, 21.06.2019 19:50
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) = .
Answers: 3
Boris chooses 3 different numbers . the sum of the 3 numbers is 36. one of the numbers is a cube num...
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