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joshua larra-aga

joshua l.

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Problem 4 Answer the following questions. Add explanations if needed. (5 points) a) Are regular expressions (ba)*(a*b* | a*) and (ba)*ba*b* the same? b) Write down the shortest nonempty string generated by the expression: (0+1)* (0 (0+1) 0+1 (100+001+11*)) 00 c) What is the shortest string generated by the regular expression (00+01) (101)* ((00)*+110) with exactly three 0s? d) Suppose, you are given a regular expression: a(a*b* | b+)b. Now, is the expression a*(ab*) equivalent to your given expression? e) Are regular expressions a*(b | b* | b+) and a?(a*b* | b* | É›) the same?

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When thinking of Income Elasticity of Demand, we can assume the following: Question 40 options: an increase in our income would increase our demand for normal goods. an increase in our income would decrease our demand for normal goods. an increase in our income would increase our demand for inferior goods. a price increase for one particular good may reduce the amount of that good we purchase, motivating us to buy relatively less expensive substitutes.

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1. Which of the following statements is true? A. snRNA is small nuclear RNA, functional ncRNA, that assembles with proteins in the spliceosome which catalyzes the removal of introns from pre-mRNAs B. miRNA is micro RNA, a short RNA processed from longer RNA pol II transcripts that becomes part of the RISC complex that represses gene expression C. siRNA is small interfering RNA, a short RNA that becomes associated with the RISC complex and represses translation of the gene that produced it, silences gene; siRNA is involved in genome defense and maintaining genome stability by inhibiting production of viruses and by preventing spread of transposable elements D. They are all true

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A solution of acetic acid and water contains 205.0 g L-1 of acetic acid and 820.0 g L-1 of water. 1. Compute the density of the solution. 2. Compute the molarity, molality mole fraction and mass percentage of acetic acid in this solution.

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Trypanosoma brucei is a protist responsible for African sleeping sickness. A drug that targets T. brucei's __ would be the least effective target in the development of a drug to treat this illness? A rough endoplasmic reticulum B mitochondria INCORRECT ANSWER C nucleus D cell surface glycoproteins

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Solve the problem. A statistician has readings that take $3\frac{1}{3}$ minutes each to read and record. How many readings can be completed in 240 minutes?

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A company had the following assets and liabilities at the beginning and end of this year. Beginning of the year End of the year Assets $\ 91,500$ 147,500 Liabilities $\ 39,226$ 59,738 a. Owner made no investments in the business, and no dividends were paid during the year. b. Owner made no investments in the business, and dividends paid were $\ 14,400$ during the year. c. No dividends were paid during the year, but the owner did invest an additional $\ 45,000$ cash in exchange for common stock. d. Dividends paid were $\ 14,400$ during the year, and the owner did invest an additional $\ 35,000$ cash near year-end in exchange for common stock. Determine net income or net loss for the business during the year for each of the above separate cases: Note: Decreases in equity should be indicated with a minus sign. b. c. d. Beginning of the year-Equity $\ 52,274 \$ $\ 52,274 \$ $\ 52,274 \$ $\ 52,274$ Owner investments 0 Dividends 0 Net income (loss) End of the year-Equity $\ 0 \$ $\ 0 \$ $\ 0$

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v = v_{oc} - ln(i + 1) and i = 1 - e^{-(v_{oc})} (b) Consider a solar cell with n = 1.5, V_{oc} = 0.60 V and I_{ph} = 35 mA, and that has an area of 1 cm$^2$. Find the values for $i$ and $v$ for maximum power, and therefore the current $I$ and $V$ that correspond to maximum power. [You should find $v = 12.76$; describe how you determined this value, either by a numerical approach or by graphing the function. As always, the point is to convince the grader that you figured out how to solve this.]

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When agriculture was a significant portion of U.S. real GDP, money would flow out of New York money-center banks during harvest season to buy crops, then flow back into the financial system as wholesalers sold these crops to markets and grocers. If there was no central bank to manage the money supply, the AS/AD model predicts that these events would cause a(n) A expansion. B recession. C recession-expansion cycle. D expansion-recession cycle. E no change in economic activity.

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2. Which country... 4. Now suppose that both country B completely specializes in the good it has a comparative advantage in - that is, it... 5. After specializing, suppose the countries decide to trade with each other. After negotiations, country A agrees to trade 10 beer. Country had before and trade took place - are the countries better off with trade?

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