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A group of scientists examined a meteorite from Mars and found a carbon-rich substance that is produced when microorganisms decay. They concluded that the meteorite provided evidence there was once life
answered
Jul 11, 2018
Biology
high-school
2
votes
54.0k
views
What did columbus bring with him from europe that caused the most harm in the new world?
answered
Jul 2, 2018
History
high-school
1
vote
62.5k
views
I have to find the area of the shape
answered
Apr 30, 2018
Mathematics
middle-school
6
votes
120k
views
What are the concepts of normalcy?
answered
Apr 23, 2018
Health
college
3
votes
144k
views
Which statement describes Korea after World War II? A. Soviet troops occupied North Korea, and American troops occupied South Korea; in 1948 North Korea formed a communist government, and South Korea formed
answered
Apr 21, 2018
History
high-school
4
votes
128k
views
What is the least common denominator for 3/10 and 7/8?
answered
Mar 25, 2018
Mathematics
high-school
7
votes
99.6k
views
What is the solution to the system of equations? y = –5x + 3 y = 1 (0.4, 1) (0.8, 1) (1, 0.4) (1, 0.8)
answered
Nov 3, 2017
Mathematics
high-school
0
votes
212k
views
If the point P(-4/5,y) lies on the unit circle and P is in the third quadrant, what does y equal? If necessary, use the slash mark ( / ) for a fraction bar.
answered
Oct 16, 2017
Mathematics
high-school
7
votes
132k
views
A company installs 5000 light bulbs, each with an average life of 500 hours, standard deviation of 100 hours, and distribution approximated by a normal curve. Find the percentage of bulbs that can be expected
answered
Oct 4, 2017
Mathematics
high-school
3
votes
43.0k
views
How many yards in 27 feet
answered
Feb 7, 2017
Mathematics
middle-school
4
votes
41.6k
views
The average length of a female white-beaked dolphin is about 111 inches. What is this length in feet and inches? A) 9 feet 2 inches B) 9 feet 3 inches C) 10 feet 0 inches D) 10 feet 3 inches
answered
Jul 23, 2016
Mathematics
high-school
3
votes
206k
views
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