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victoria oneill

victoria o.

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BEST MATCH

mfant industry argument relies on an assumption that firms can make efficient long-term investments by borrowing money from the domestic or international capital market. True or False True False

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BEST MATCH

Find the indefinite integral: ∫ (sec2t) / (tan (t) + 1) dt.

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BEST MATCH

Suppose $R$ is the shaded region in the figure, and $f(x, y)$ is a continuous function on $R$. Find the limits of integration for the following iterated integral. (a) $\iint_R f(x, y) dA = \int_A^B \int_C^D f(x, y) dy dx$ A= -4 B= 1 C= D= 2

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BEST MATCH

A common measure of liquidity is Select one O a. asset turnover O b. profit margin. O c. return on assets O d. receivable turnover Clear my choice

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O A. ?. O \( \mathrm{c} \).

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• • • Problem statement: Aerosol (i.e. particulate matter) size distributions in two regions (A and B) are given in the attached spreadsheet. Both distributions have 50 bins per decade. Assume that the particle density is 1000k(g)/(m^(3)). Convert the number distributions into mass distributions (in units of mu (g)/(m^(3)) ) and plot both mass distributions, for A and B, on the same figure. Briefly list the steps and equations involved in the analysis. ( 40pts ) Calculate the attributable fractions associated with PM2.5 in A and B. Briefly list the steps and equations involved in the analysis. ( 25pts ) Briefly discuss the results in part 2 , specifically focusing on the limitations of using the calculated attributable fractions in A and B for policy making. (10 pts) For region A, obtain a cumulative fraction distribution based on both number and mass, and show both distributions on the same figure. (15 pts) For region A, find the count median diameter (CMD) and mass median diameter (MMD). Briefly list the steps required in the analysis. Is the difference between CMD and MMD as expected? Briefly comment. (10 pts) able[[,Region A,Region B],[diameter (micro-meter),dN/dlogd (#/cm3),dN/dlogd (#/cm3)],[0.02,0.587417235,2.464E-12 0.20942571 0.219295639 0.229630724 0.240452887 0.251785082 0.263651348 0.276076853 4888.381486 3585.193057 2580.623422 1823.061647 1263.987288 860.0994893 574.4064464 376.4909598 242.1890099 152.9040338 94.74320797 57.61583502 34.38747337 20.14296071 11.58006444 6.533761511 3.618097053 1.966354328 1.048836943 0.549058736 0.282094272 0.142244132 0.070394558 0.0341907355 0.0162983047 0.00762502116 0.00350109831 0.00157772821 0.00069778995 0.00030288785 0.00012903384 1.005630128 1.323413433 1.724977379 2.226905934 2.847416151 3.606040652 4.523149014 5.619294272 6.914380243 8.426657552 10.17157098 12.16049703 14.39942735 16,88766941 19.61664891 22.5689068 25.71738637 29.02510096 32.44525946 35.92190557 39.39109787 42.78262288 46.02219524 49.03406039 51.74387958 54.08174803 55.98517709 57.40186396 58.29207792 58.63051128 58.40747462 57.62935773 56.31832541 54.5112686 52.25807989 49.61936597 46.66374345 43.46488589 40.09849888 36.63939456 33.15881987 29.72216531 26.38714648 23.20251241 20.20729595 17.43058623 14.89177233 12.60118493 10.56104725 8.766640323 7.207588685 5.869179661 4.733642068 3.781325215 2.99173587 2.344407323 1.819589797 1.398764236 1.064991519 0.803116191 0.599848002 0.443746208 0.325131237 0.235946392 0.169589355 0.120729788 0.0851257381 0.0594480956 0.0411192898 0,0281698067 10011010'0 0.0128455351 0.00855031805 0.00563693391 0.00368073219 0.00238043375 0,0015247849 0.000967367887 0.000607862504 0.000378311589 0.000233197849 0.000142373787 0.0000860926619 0.0000515623662 0.30271225 0.316978638 0.331917381 0.347560166 0.363940172 0.381092144 0.399052463 0.417859226 0.437552325 0.458173531 0.479766584 0.502377286 0.526053598 0.550845741 0.576806301 0.603990344 0.632455532 0,662262243 0,693473701 0.72615611 0.760378793 0.796214341 0.833738767 0.873031664 0.914176379 0.957260185 1.002374467 1.04961492 1.099081748 1.150879875 1.205119172 1.261914689 1.321386896 1.383661942 1.44887192 1.51715515 1.588656469 1.663527542 1.74192718 1.824021679 1.909985172 2 2.094257096 2.192956392 2.296307243 2.404528869 2.517850824 2.636513477 2.760768529 2.890879541 3.027122497 3.169786385 3.319173815 3.475601657 3.639401717 3.810921436 3.99052463 4.178592262 4.375523248 4.581735306 4.797665838 5.023772863 5.260535984 5.508457407 5.768063006 6.039903441 6.32455532 6.62262243 6.934737009 7.261561095 7.603787926 7.962143411 8.337387669 8.730316645 9.141763792 9.572601846 0.00002213814 $168000000 0.00000352401 0.00000052047 0.00000019448 0.00000007132 0.00000002567 006000000000 100000000 0.00000000107 3.6E-10 1.2E-10 4.0E-11 1.0E-11 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

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BEST MATCH

4) A test on a 3-phase motor yields the following results using a two-wattmeter method: $P_1$ = +9009 W, $P_2$ = +1632 W, line current = 20 A, line-line voltage = 480 V. Determine $P_{total}$, $Q_{total}$, S, and pf. Show procedure for full marks. [Ans: pf = 0.64]

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BEST MATCH

Evaluate the limit $\lim_{x \to \infty} \frac{\sqrt{3x^2 + 1}}{5x - 2}$

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Find the area of the parallelogram with vertices $P_1$, $P_2$, $P_3$, $P_4$ $P_1 = (2,3,3)$, $P_2 = (2,2,1)$, $P_3 = (-2,-1,0)$, $P_4 = (-2,-2,-2)$ The area of the parallelogram is \boxed{} square units. (Simplify your answer. Type an exact value, using fractions and radicals as needed.)

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BEST MATCH

Calculate the indefinite integral \(\int \frac{1}{x} + \frac{1}{x^2} dx\), (for \(x > 0\)) $\circ \frac{\ln x}{x^2} + C$ $\circ -\frac{1}{x^2} - \frac{2}{x^3} + C$ $\circ \frac{1}{x^2} - \ln(x) + C$ $\circ x \ln(x) - x + C$ $\circ \ln(x) - \frac{1}{x} + C$

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