Numerade

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Lucy, an avid swimmer, delivers a presentation on the benefits of swimming and aerobic exercise and cites her own personal experience as a water safety instructor. What type of example is she relying on? a. Expert testimony b. Layperson testimony c. Hypothetical example d. Real example

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The process of peer review can do which of the following? assist in checking for grammatical errors in articles that present research findings help ensure that a research study follows sound scientific procedures prevent scientists from repeating the research of someone else

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20 4 points Federalists are rural farmers who opposed the constitution supporters of the constitution who came from cities along the Atlantic Coast rural farmers who opposed slavery urban citizens who supported slavery

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what model describes the communication between both of these traditional language centers.

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2 The command MMULT(MINVERSE(F3:H5), J3:J5) produces the output in L3:L5 Matched Problem 1 An economy is based on three sectors: coal, oil, and transportation. Production of a dollar's worth of coal requires an input of $0.20 from the coal sector and $0.40 from the transportation sector. Production of a dollar's worth of oil requires an input of $0.10 from the oil sector and $0.20 from the transportation sector. Production of a dollar's worth of transportation requires an input of $0.40 from the coal sector, $0.20 from the oil sector, and $0.20 from the transportation sector. (A) Find the technology matrix M. (B) Find (I-M)^(-1). (C) Find the output from each sector that is needed to satisfy a final demand of $30 billion for each billion for oil and $20 billion for transportation Problem 15-20 pertain to the following input-output model. An economy is based on three industrial sectors: agriculture (A), building (B), and energy (E). The technology matrix M and final demand matrices (in billions of dollars) are given for x, where x represents a plant fee or personal.

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Meng invests $8200 in two different accounts. The first account paid 5%, the second account paid 2% in interest. At the end of the first year he had earned $260 in interest. How much was in each account? $ 7286 \times at 5% $ \text{____} at 2%

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3. Asset Beta. EZCUBE Corp. is 50% financed with long-term bonds and 50% with common equity. The debt securities have a beta of 0.15. The company's equity beta is 1.25. What is EZCUBE's asset beta?

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4. A U.S. investor writes five naked call option contracts. The option price is $3.50, the strike price is $60.00, and the stock price is $57.00. What is the initial margin requirement? $500 \times (3.5 + 0.2 - 3) = 5950 \implies \text{Initial margin} 500 \times (3.5 + 0.1 \times 57) = 4600 5. How would the answer change to question 4 if the stock price were $70? How would the answer change if the trader is buying instead of selling the options?

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Example 4. Suppose that a car oscillates vertically as if it were a mass m = 800 kg on a single spring with constant $7 \times 10^4$ N/m, attached to a single dashpot with constant 3000 Ns/m. Suppose that this car with the dashpot disconnected is driven along a washboard road surface with an amplitude of 5 cm and a wavelength of $L = 10$ m. At what car speed will resonance vibrations occur? (6 pts) In the example 4 of the notes for Section 3.8, assume that the car is moving with the constant speed of 25 m/s on the washboard under the same conditions as described. Find the equation of oscillations of the car and solve it. Your solution must have two arbitrary constants $C_1, C_2$.

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(e) If a real GDP this year is $11 billion and it was $10 billion last year. The population of this country grew from 1 million last year to 1.2 million this year. Then, the real GDP grew at ( )% and the per capita real GDP grew at ( )%.

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william b.