Mathematics, 19.01.2020 14:31 huynexushuy8786
What percentage of the original amount of polonium-210 would be left after 600 days of decay?
Answers: 1
Mathematics, 21.06.2019 13:00
Use the diagonals to determine whether a parallelogram with vertices u(2,β2), v(9,β2), w(9,β6), and x(2,β6) is a rectangle, rhombus, or square. give all the names that apply.
Answers: 3
Mathematics, 21.06.2019 17:00
The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?
Answers: 2
Mathematics, 21.06.2019 19:40
Which of the following could be the ratio of the length of the longer leg 30-60-90 triangle to the length of its hypotenuse? check all that apply. a. 313 6 b. 3: 215 c. 18: 13 d. 1: 13 e. 13: 2 of. 3: 15
Answers: 3
Mathematics, 21.06.2019 19:50
Prove (a) cosh2(x) β sinh2(x) = 1 and (b) 1 β tanh 2(x) = sech 2(x). solution (a) cosh2(x) β sinh2(x) = ex + eβx 2 2 β 2 = e2x + 2 + eβ2x 4 β = 4 = . (b) we start with the identity proved in part (a): cosh2(x) β sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 β sinh2(x) cosh2(x) = 1 or 1 β tanh 2(x) = .
Answers: 3
What percentage of the original amount of polonium-210 would be left after 600 days of decay?...
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