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Castes are an example of an open system. true false
asked
Apr 5, 2018
Social Studies
high-school
2
answers
5
votes
60.4k
views
A motorboat travels 9 miles downstream (with the current) in 30 minutes. The return trip upstream (against the current) takes 90 minutes. Which system of equations can be used to find x, the speed of the
asked
Jul 17, 2017
Physics
high-school
1
answer
0
votes
54.2k
views
What is 0.4% of $100?
asked
Dec 8, 2015
Mathematics
middle-school
1
answer
1
vote
79.7k
views
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