Numerade

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5. At what output is Len's average total cost at a minimum? At what output is Len's average variable cost at a minimum? 6. Explain why the output at which average variable cost is at a minimum is smaller than the output at which average total cost is at a minimum.

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To limit attack surfaces on a production database server, one of the best protections we could implement would be:

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A person is walking up a ramp that is becoming steeper and steeper, ultimately not being able to go higher than when the angle with respect to the horizontal axis is 32 degrees before starting to loose grip. What is the coefficient of static friction between the person's feet and the ramp? Assume the person is standing perfectly straight.

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Find the mass of the solid bounded by the planes $x + z = 1$, $x - z = -1$, $y = 0$, and the surface $y = \sqrt{z}$. The density of the solid is $18y + 11$. The mass of the solid is $\boxed{}$. (Type an integer or a simplified fraction.)

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DOUBLE-SAT = {<$> | $\phi$ has at least two satisfying assignments}. Show that DOUBLE\_SAT is NP-complete. Remember that to be in NP, it should be accepted by a non-deterministic Turing machine and that it should be verifiable in polynomial time. It should also map to a known NP problem.

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the wall street journal reports that the rate on a 5 year treasury securities is 1.90 percent and the rate on a 7 year treasury securities is 2.85 percent. According to the unbiased expectations theories, what does the market expect the 2 year treasury rate to be in 5 years

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Consider the compounds with the generic formulas listed and their corresponding molar solubilities in pure water. Which compound will have the smallest value of Ksp? a. FeCO3: molar solubility = 5.54 x 10-6 M b. CaF2: molar solubility = 3.32 x 10-4 M c. Ag2SO4: molar solubility = 1.20 x 10-

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5. A waste gas stream flowing at 1000 ft³/min consists of 12% (v/v) CO$_2$, 4% H$_2$O and the remaining fraction is N$_2$. If this gas stream is blended with 100 ft³/min of gas stream containing 20.9% O$_2$, 0.004% CO$_2$ with the remaining fraction being N$_2$, what would the percentage CO$_2$ be in the blended gas stream? You can assume that both gas streams have the same temperature and pressure, no reactions occur and no water vapor condenses.

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In the first 25.0 s of this reaction, the concentration of HBr dropped from 0.570 M to 0.532 M . Calculate the average rate of the reaction during this time interval.

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- The maximum value of vibration displacement is: a- Frequency b- Resonance c- Displacement d- Amplitude

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