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How do i figure out measure of risk with the return return average return x with bar on top


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1.I am trying to figure out the optimal radius that will give the lowest surface area of a cylinder. I ...

have done the calculus which reveals that the surface area is at a minimum when height is double the radius. I am now trying to find an equation for the relationship between the amount of wasted surface area as a percentage of the minimum surface area and the ratio between height and radius. If I were to plot it on a graph, the y axis would be the percentage of excess materials needed as a percentage of the minimum possible surface area, and the x axis would be height divided by radius. Since the surface area is minimized when height=2(radius), I know that when x=2, y=0. The website explains what I am trying to do quite well and shows the graph below. I am trying to find the equation for this graph, but am unsure how to go about it.
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5.I am no longer in school but ggogled math help And yoiu came up. I want to know if I get ...

take home "B" and get a raise of "C". how do I figure out the new Take Home of "X"
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7.How do I figure out measure of risk with the return? Return – average return (X with bar on top) 10,4,10,0 = ...

10,4,10,0 = 24/4 = 6 average return Don’t add up because it 0 Square the number: 10-6=4^2= 16 4-6 = -2^2= 4 10-6=4^2 = 16 0-6 = -6^2 = 36 =72 sum of square of diff of mean /3=24 Square root 24 = 4.9 24= variance 4.9= standard deviation 20,2,2,0 = 24/4= 6 average return 20-6 = 14 = 196 2-6 = -4 =16 2-6 = -4 = 16 0-6 = -6 = 36 = 256 – variance Square root 256 = 14.6 = standard deviation
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1.AU MAT 120 Systems of Linear Equations and Inequalities Discussion

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