Mathematics, 31.05.2021 08:30 steven2996
If 2 is added to the numerator of a fraction it reduces to 1/2 and if 1 is subtracted from the denominater it reduces to 1/3. Find the fraction.
Answers: 3
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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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The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.
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Parabolas y=−2x^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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If 2 is added to the numerator of a
fraction it reduces to 1/2 and if 1 is subtracted from the deno...
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