Mathematics, 18.03.2021 06:20 zafarm2oxgpmx
Please need help asap!! only answer if you know please
A sample of Xenon has a weight of 500 mg and a half-life of approximately 5 years.
How much of the sample will remain after 5 years?
3 years?
1 year?
*Round all answers to the nearest 10th place.
Find a function f which models the amount of Xenon f(t), in mg, remaining after t years.
*Use ^ (shift 6) for exponents
Answers: 3
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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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Please need help asap!! only answer if you know please
A sample of Xenon has a weight of 500 mg and...
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