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If a = 3 and b = -1 then 2a^2 -2ab+b^2
asked
Mar 10, 2017
Mathematics
college
2
answers
5
votes
215k
views
Metal mercury at room temperature is a liquid.Its melting point is -39*C.The freezing point of alcohol is -114*C. How much warmer is the melting point of mercury than the freezing point of alcohol?
asked
Aug 28, 2015
Mathematics
middle-school
2
answers
0
votes
174k
views
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