Answers by Tomek Szpakowicz
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Answers by Tomek Szpakowicz

Answers by Tomek Szpakowicz
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What was President Reagan's role in bringing about the collapse of the Soviet Union?
answered Jul 27, 2019
3 votes
231k views
The fluorocarbon compound c2cl3f3 has a normal boiling point of 47.6°c. the specific heats of c2cl3f3(l) and c2cl3f3(g) are 0.91 j/g·k and 0.67 j/g·k, respectively. the heat of vaporization for the compound
answered Jun 17, 2019
4 votes
119k views
Consider a normally distributed data set with a mean of 154 and a standard deviation of 9.8. If one of the observed values is 176, what is the z score?
answered Feb 10, 2019
2 votes
128k views
In 1900, more than 30 percent of deaths in the U.S. were caused by infectious disease. In 2005, what percent of deaths were caused by infectious disease? A. less than 5% B. 30% C. more than 30% D. 0%
answered Oct 12, 2018
3 votes
231k views
What action did the colonists take in September of 1774 in response to their issues with Britain? A. They began a series of meetings with Native American tribes. B. The colonial governors chose a representative
answered Mar 16, 2018
2 votes
76.1k views
The electoral college is composed of a. the board of electors for american colleges and universities. b. presidential electors from each state who cast ballots for president and vice president. c. congressional
answered Feb 19, 2018
2 votes
182k views
A cell spends approximately _____ of its cycle in the M phase.
answered Feb 8, 2018
3 votes
181k views
If sin x=1/3 and sec y =5/4 where x and y lie between 0 and pi/2 evaluate the expression. sin 2y
answered Jan 7, 2018
4 votes
154k views
Membership in the House of Representative is determined by a. number of states. b. 7. c. population. d. each president.
answered Aug 29, 2017
3 votes
36.4k views
Most plants and animals can survive in both Fresh Water and Marine biomes. True or Flase
answered Apr 17, 2017
6 votes
199k views
Who wrote poetics? sophocles aeschylus aristotle plato
answered Feb 14, 2017
5 votes
198k views
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