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 2 years ago
Weighted Averages:
http://ocw.mit.edu/courses/mathematics/1801scsinglevariablecalculusfall2010/partcaveragevalueprobabilityandnumericalintegration/session61integralsandweightedaverages/MIT18_01SCF10_ex61sol.pdf
On Page 2, we find the ycoordinate of the centroid.
My question is
1) why do we add up the right and the left side after solving for y
2) wouldn't adding the left and right side yield 2+sqrt(x) and not 2sqrt(x)?
 2 years ago
Weighted Averages: http://ocw.mit.edu/courses/mathematics/1801scsinglevariablecalculusfall2010/partcaveragevalueprobabilityandnumericalintegration/session61integralsandweightedaverages/MIT18_01SCF10_ex61sol.pdf On Page 2, we find the ycoordinate of the centroid. My question is 1) why do we add up the right and the left side after solving for y 2) wouldn't adding the left and right side yield 2+sqrt(x) and not 2sqrt(x)?

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