Mathematics, 24.04.2021 02:30, nana54muller
After the release of radioactive material into the atmosphere from a nuclear power plant in a country in 1998, the hay in that country was contaminated by a radioactive isotope (half-life 7 days). If it is safe to feed the hay to cows when 9% of the radioactive isotope remains how long did the farmers need to wait to use this hay?
Answers: 3
Mathematics, 21.06.2019 19:30, maribelarreolap4sgpj
Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm^2. what is the area of the second triangle?
Answers: 1
Mathematics, 21.06.2019 20:00, gracieorman4
Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11
Answers: 2
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