Mathematics, 28.01.2020 20:56 Kiki18love
Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later?
Answers: 2
Mathematics, 21.06.2019 21:00
When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years
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Mathematics, 21.06.2019 23:30
Astraight water slide is 175 feet above ground and is 200 feet long. what is the angle of depression to the bottom of the slide?
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Mathematics, 21.06.2019 23:50
Solve for x in the equation x2 - 12x + 36 = 90. x= 6+3x/10 x=6+2/7 x= 12+3/22 x = 12+3/10
Answers: 2
Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 d...
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