Mathematics, 10.11.2021 19:40 MaiiR01
After the release of radioactive material into the atmosphere from a nuclear power plant in a country in 1992, the hay in that country was contaminated by a radioactive isotope (half-life 5 days). If it is safe to feed the hay to cows when 11% of the radioactive isotope remains, how long did the farmers need to wait to use this hay?
Answers: 1
Mathematics, 21.06.2019 15:50, annadson4589
Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.
Answers: 2
Mathematics, 22.06.2019 01:30, sliverx201
If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2
Answers: 1
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