State radius as function of time for volume of conical pile
The volume of the conical pile of sand is increasing at the rate of 9p ft3 / min, and height of pile always equals radius r of base. State r as the function of time t (in minutes), suppose that r = 0 when t = 0.
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A statistics teacher wants to grade test on a curve. She has found that the mean of test was 72% with standard deviation of 6%. If the teacher wants the top 15% of the class to get an A, what would be the cut-off score be? If middle 30% receive a
The rancher has 1200 feet of fencing to enclose 2 adjacent rectangular corrals of equal lengths and widths. State the area, A, of two rectangles as the function of width, x.
Is there sufficient evidence, at the 0.01 level of significance to support EPA's claim? Please show all work.
For given graph of y = 1/2x and rotate it 45 degrees about origin, determine equation of image, domain, range and equations of asymptotes.
A biology teacher claims that average on her last test was 74. The scores of 12 students are as follows:
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Pizza Inn wanted to determine what proportion of its customers ordered only cheese pizza. Out of 90 customers, 11 ordered cheese pizza. What is the 98% confidence interval of the true proportion of customers who order only cheese pizza. Interpret
A score of 85 is earned on a test in which mean=100 and S=15. An equivalent score on a scale where mean=50 and S=10 is?
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Recommendations in the Chronic Pain Guidelines include all of the following EXCEPT: (a) All patients with a previous opioid prescription should
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