Numerade

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Which of the following functions is performed by both TCP and UDP? A Error recovery B Ordered data transfer C Routing D Encryption E Multiplexing using port numbers F Windowing

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Given some amount to be received several years in the future, if the number of years increases, the present value of the future amount will be higher. True False

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Question 29 Let's suppose that a lender has established a 90% loan-to-value ratio cutoff as one of its primary underwriting criteria. If a borrower is willing to make a down payment on a property appraised at $550,000, which of the following best describes the lender's decision on whether or not to approve the loan along this dimension? The lender denies the loan because the LTV ratio is greater than 90%. The lender approves the loan because the LTV ratio is greater than 90%. The lender denies the loan because the LTV ratio is less than 90%. The lender approves the loan because the LTV ratio is less than 90%.

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Explain three (3) reasons by liquidity or holding on to cash is important.

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Determine the concentration of the Iodide ion from the KI solution and persulfate ion from the K2S2O3 solution for each trial. Since KI is a strong electrolyte, the solution contains only K+ and I1- ions in the same concentration of the calculated KI concentration where [KI] = [I1-]. The ion concentrations are determined by the dilution effect, Molarity of the stock solution times the volume of the solution used = moles of ions present in solution = molarity of the diluted sample times the total volume of the diluted solution.

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At a certain temperature, $K_c = 1.00 \times 10^2$ for the reaction given below. $H_2(g) + F_2(g) \rightleftharpoons 2 HF(g)$ (a) Calculate the concentrations of all species in the equilibrium mixture produced by adding 2.80 mol of $H_2$ and 2.80 mol of $F_2$ to a 1.00 L container. assistance. $H_2$ 0.47 M $F_2$ 0.47 M $HF$ 4.66 M (b) What would the equilibrium concentration of HF be if 1.10 mol of HF is removed from the equilibrium mixture in Part a?

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Eileen knows that if they both work hard, Clancy will earn $80 on the beach and Eileen will earn $160 at her stand, so they will each take home half of their total revenue: $80 + $160 = $120. If Clancy shirks, he'll generate only $50 in earnings. Eileen does not know that Clancy estimates his personal cost (or disutility) of working hard as opposed to shirking at $20. Once out of Eileen's sight, Clancy faces a dilemma: work hard (put in full effort) or shirk (put in low effort). In terms of Clancy's total utility, it is worse for him to work hard. Taking into account the loss in utility that working hard brings to Clancy, Eileen and Clancy together are better off if Clancy shirks instead of working hard. Eileen knows Clancy will shirk if unsupervised. She considers hiring her good friend Carrie to keep an eye on Clancy. The most Eileen should be willing to pay Carrie to supervise Clancy, assuming supervision is sufficient to encourage Clancy to work hard, is $20.

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What does the research tell us about the correlation between behavior and social problems in early education?

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Part 2 The attendence records (abscences) of 20 students in a class were recorded due to sickness. Here are the results: 0, 3, 2, 2, 6, 0, 1, 0, 0, 0, 2, 0, 1, 1, 0, 4, 0, 0, 4 c) Find the mean number of days lost d) Find the variance of days lost Assume each observation occurs with a probability of 1/20 - p(X) = 1/N Use the example I used in class (page 25 of class notes) as a template for how to create the table below. e) Create a table to calculate the mean and variance using the following formulaes: $M = E[X] = \sum x \cdot prob(x)$ $\sigma^2 = E[x^2] - M^2$

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A pressure spring shall be dimensioned for energy absorption. The amount of energy to be stored by the spring has been calculated at 4.3 J. The material effort of the spring is considered to be capable of totaling a corresponding shear stress of 600 N/mm². The spring material shear module is 0.81510.5 N/mm². The pressure spring shall have no steering, therefore the number of springy turns (fastening turns = active turns = total number of revolutions including flat-cut turns - 1,75) is set to 5. For manufacturing reasons, the wire diameter shall be between $x_1$ and $x_2$ mm in increments of 0,5 mm. Only observe the torsion mark. (a) What median diameter and wire diameter should the spring have if the diameter ratio $D/d$ = 7 is tested? (b) With what pitch $P$ mm/turn (see Figure 2) should the spring be coiled around? At full energy content, the assembly clearance should be 1.2 mm/rev. The spring is initially completely unstrained.

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steven k.