Mathematics, 17.09.2019 20:30 aurikmah2005
The half-life of radioactive strontium-90 is approximately 28 years. in 1960, radioactive strontium-90 was released into the atmosphere during testing of nuclear weapons, and was absorbed into people's bones. how many years does it take until only 15 percent of the original amount absorbed remains?
Answers: 2
Mathematics, 21.06.2019 18:30, 25jzaldivar
Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made
Answers: 2
Mathematics, 21.06.2019 20:30, meowmeowcow
Given: klmn is a parallelogram m? n=3m? k, lf ? kn , ld ? nm kf=2 cm, fn=4 cm find: lf, ld
Answers: 1
The half-life of radioactive strontium-90 is approximately 28 years. in 1960, radioactive strontium-...
Mathematics, 16.04.2021 19:00