Mathematics, 29.10.2020 16:40 carkin9076
Radioactive uranium-235 has a half-life of about 700 million years. Suppose you find a rock and chemical analysis tells you that only 1/11.3137084989848 of the rock's original uranium-235 remains. How old is the rock?
Answers: 2
Mathematics, 21.06.2019 22:30
Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.
Answers: 1
Mathematics, 21.06.2019 23:00
Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi
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Mathematics, 22.06.2019 00:30
The high temp today was 62°. when nighttime comes, the temp will drop 40°. by 4am the temp will drop an additional 40°. what is the temp at 4am?
Answers: 2
Radioactive uranium-235 has a half-life of about 700 million years. Suppose you find a rock and chem...
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