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The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.
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Parabolas y=β2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.
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Mathematics, 21.06.2019 21:30
Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.
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DEFG is a square. If GH is 12. Find DF...
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