Answers by Isidat
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Answers by Isidat

Answers by Isidat
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Niobium-91 has a half-life of 680 years. After 2,040 years, how much niobium-91 will remain from a 300.0-g sample? 3 g 18.75 g 37.5 g 100.0 g
answered Aug 22, 2019
6 votes
45.9k views
The sum of 3 consecutive odd numbers is 270.What is the second number in this sequence? Need help.
answered Aug 9, 2019
5 votes
199k views
When should I use "Me encantó," to say "I loved (to visit) vs. using "Me encantaba." I know that one is preterite, and the other is imperfect, but I can't figure out when to use one over the other???
answered Jul 1, 2019
5 votes
216k views
The sum of two numbers is 36. The first number is one fifth 1 /5 of the second number. What are the​ numbers?
answered May 28, 2018
2 votes
15.5k views
Suppose that you have 10 cards. 4 are green and 6 are yellow. The 4 green cards are numbered 1, 2, 3, and 4. The 6 yellow cards are numbered 1, 2, 3, 4, 5, and 6. The cards are well shuffled. You randomly
answered Apr 30, 2018
5 votes
152k views
Why are liquids well suited for hydraulics? Liquids have low densities. Liquids are incompressible. Liquids change volume easily. Liquids have few molecules.
answered Mar 31, 2018
4 votes
55.6k views
How did China's religious beliefs affect Japan? A. Because of China's influence, Japan began practicing the polytheistic religion of Shinto instead of Buddhism. B. Japan adopted China's religion of Buddhism,
answered Feb 27, 2018
6 votes
192k views
How many groups of 1/4 r there in 12 wholes
answered Dec 30, 2017
0 votes
116k views
The ability to change color to avoid predators is a(n) _____. a.hypothesis b.observation c.conclusion d.adaption
answered Aug 22, 2017
2 votes
101k views
What is the suffix in the word “disqualification
answered Jun 25, 2017
3 votes
46.2k views
Which provision of the Treaty of Versailles had the greatest economic impact on Germany? Germany had to spend money to rebuild its military. Germany had to buy back lands claimed by the Allies. Germany
answered Jun 21, 2017
2 votes
174k views
43.586 to the nearest tenth,hundredth,and one.
answered Mar 15, 2017
4 votes
177k views
What impact did the reformation have on the religious g
answered Jul 28, 2016
3 votes
195k views
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