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-2x-2y=4 solve this
answered
Mar 18, 2018
Mathematics
high-school
5
votes
193k
views
How would our society be affected if there was a shortage of copper?
answered
Mar 9, 2018
Physics
high-school
2
votes
36.2k
views
Which statement is true about the equation z − z + 3 = z + 5? It has no solution. It has one solution. It has two solutions. It has infinitely many solutions.
answered
Jul 5, 2017
Mathematics
college
6
votes
229k
views
Which best explains why the orthocenter of an obtuse triangle is outside the triangle? A. All three of the altitudes lie entirely outside the triangle. B. Two of the altitudes lie entirely outside the
answered
Apr 30, 2017
Mathematics
high-school
4
votes
188k
views
What's bigger 1.5 miles or 2500 yards?
answered
Apr 4, 2017
Mathematics
middle-school
2
votes
3.7k
views
Tom sells baseball cards at 10 for 35 cents. is that a better deal than 12 for 40 cents?
answered
Mar 11, 2015
Mathematics
middle-school
3
votes
4.0k
views
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