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Mathematics, 21.06.2019 20:00
He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean and standard deviation according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%
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Mathematics, 21.06.2019 22:00
If tan2a=cot(a+60), find the value of a, where 2a is an acute angle
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Mathematics, 22.06.2019 00:00
Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.
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Mathematics, 22.06.2019 02:20
Asalesperson has january sales of $20,000(1,$20,000) and april sales of $80,000 (4,$80,000). what is the rate of change?
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