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Answers by Krafter

Answers by Krafter
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Let u = <-5, -9>, v = <6, 8>. Find -8u - 2v.
answered Jul 5, 2018
4 votes
135k views
Which is true of a radioisotope that is used to date rock formations? It has a long half-life. It is a plentiful isotope. It has a short half-life. It is a rare isotope.
answered Jul 2, 2018
7 votes
95.4k views
Please help me! I'm not sure about my answers
answered Jun 25, 2018
3 votes
15.6k views
Which of the following statements is true? A- reactors for nuclear Fusion are much more realistic than our reactors for nuclear fission B- nuclear fusion involves the splitting of a nucleus; nuclear fission
answered Oct 28, 2017
3 votes
42.2k views
According to data on the state of Iowa, the amount of water used for cooking per household per month is normally distributed, with a standard deviation of 10.4 liters. A survey was carried out to estimate
answered Aug 8, 2017
4 votes
210k views
Which statement best describes why the universe could be considered an isolated system?
answered Jun 23, 2017
5 votes
61.8k views
Which is the electron configuration of an atom in the ground state? A) 1s22s12p2 B) 1s22s22p53s2 C) 1s22s23s1 D) ls22s22p63s1
answered Jul 6, 2016
3 votes
199k views
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