Answers by Rhisiart
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Answers by Rhisiart

Answers by Rhisiart
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If a 900.0-g sample of radium-226 decays to 225.0 g of radium-226 remaining in 3,200 years, what is the half-life of radium-226?
answered Nov 12, 2019
1 vote
37.4k views
What is a benefit of using renewable energy sources? A. Clean fuel B. Sustantible energy. C. Saves money. D. No pollution.
answered Nov 10, 2019
6 votes
134k views
Then each week thereafter, you add $5 to the account but no interest is earned. Suppose you receive $100 for a graduation present, and you deposit it in a savings account. A.find an equation for the amount
answered Jul 12, 2019
6 votes
29.4k views
I REALLY NEED HELP!! MEMO: Cuban military invaded Eastern Mexico in a surprise attack. Cuba intends to gain territory and control of passage into the Gulf of Mexico. We need your recommendation as soon
answered Feb 11, 2019
4 votes
71.2k views
What is the rate of change of the linear relationship modeled in the table? x y 1 2 3 5 5 8 7 11 (4 points) a) negative three over two b) two over three c) 1 d) three over two
answered Aug 25, 2018
5 votes
191k views
The Missouri Plan calls for the governor to appoint all the judges in a state. Each new judge serves until election time. What happens to the judge at election time?
answered Aug 5, 2018
4 votes
26.9k views
What is tan 330°? A)-sqrt3/3 B)sqrt3/3 C)-sqrt3 D)sqrt3
answered May 23, 2018
3 votes
154k views
What movement did fredrick douglass devote his life
answered Feb 9, 2018
7 votes
160k views
Carrie planted 48 tulips in 12 minutes. How many tulips did she plant per minute?
answered Dec 23, 2017
4 votes
101k views
If sin (thetA) = 0.3, find sin (theta+pi)
answered Dec 16, 2017
3 votes
90.1k views
60 is 5/6 of what number?
answered Sep 23, 2017
4 votes
217k views
Write a short paragraph expressing your ideas about the Chinese and silk production. Why do you think they so carefully guarded the secret of how to produce silk?
answered Apr 22, 2017
1 vote
51.2k views
Hallucinogens do not affect a person's perception, thinking, emotions and self awareness a. true b. false user: do hallucinogens do not affect a person's perception, thinking, emotions and self awareness
answered Apr 15, 2017
2 votes
127k views
If 6h - 7 < 5, then h < 2 What the counterexample
answered Nov 15, 2016
4 votes
210k views
Why do modern scientists use repeated experiments to develop and test hypotheses?
answered Feb 22, 2016
3 votes
84.0k views
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