Mathematics, 22.01.2020 12:31 helpmegraduate40
Awooden artifact from an ancient tomb contains 70% of the carbon-14 that is present in living trees. how long ago was the artifact made? (the half-life of carbon-14 is 5730 years. round your answer to the nearest whole number.)
Answers: 3
Mathematics, 21.06.2019 21:50
Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least βc.β using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least βcβ?
Answers: 1
Mathematics, 21.06.2019 23:40
Sanjay solved the equation below. which property did he use to determine that 7x+42=42 is equivalent to 7(x+6)=42 7x+42=42 7x=0 x=0
Answers: 1
Awooden artifact from an ancient tomb contains 70% of the carbon-14 that is present in living trees....
Mathematics, 20.07.2021 23:40
Mathematics, 20.07.2021 23:40
Computers and Technology, 20.07.2021 23:40
Arts, 20.07.2021 23:40
Chemistry, 20.07.2021 23:40
Mathematics, 20.07.2021 23:40
Arts, 20.07.2021 23:40
Mathematics, 20.07.2021 23:40
English, 20.07.2021 23:50
Mathematics, 20.07.2021 23:50
Mathematics, 20.07.2021 23:50