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Mathematics, 21.06.2019 14:10
Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?
Answers: 2
Mathematics, 21.06.2019 15:30
Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?
Answers: 1
Mathematics, 21.06.2019 18:40
Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form: science fiction books to history books 2. write the ratios as fractions: dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.
Answers: 1
Mathematics, 24.02.2020 06:13
History, 24.02.2020 06:14
Mathematics, 24.02.2020 06:14
Mathematics, 24.02.2020 06:14
English, 24.02.2020 06:14
Mathematics, 24.02.2020 06:14
Mathematics, 24.02.2020 06:14
Engineering, 24.02.2020 06:15
Mathematics, 24.02.2020 06:16
Biology, 24.02.2020 06:17
Mathematics, 24.02.2020 06:18
Mathematics, 24.02.2020 06:18
Mathematics, 24.02.2020 06:18