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cristina pham

cristina p.

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Value weighted Question 2 2 pts Which of the following company will have the highest impact on the value of an index in a value-weighted index? AAPL, with a stock price of $210 and market value of $3 trillions. BRK-A, with a stock price of $700,000 and market capitalization of $1 trillion. BA, with a stock price of $190 and a market value of $150 billion. CSCO, with a stock price of $45 and market value of $120 billion. Question 3 Which of the following is a common reason for IPO? 2 pts

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How would you define measures of the saving rate using National Account variables? Defend your measures

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The level of organization that falls between cells and organs is tissues. True False Clear selection

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Influencing the cognitive component of someone's attitude depends upon altering that person's Multiple Choice ? personality ? beliefs ? memory ? perception ? motivation

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Suppose , y > 0. Which of the following expressions is equal to O x11/2 + x9/2 y1/2 26 y3/2 x7 y+x5 y2

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Which of the following types of cells utilize DNA as their genetic material?

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(14 points) Benzene ($C_6H_6$) and xylene ($C_8H_{10}$) can be produced by the reaction shown below $2C_7H_8 \rightarrow C_6H_6 + C_8H_{10}$ Tolune also may react with hydrogen form benzene and methane according to the reaction $C_7H_8 + H_2 \rightarrow H_6C_6 + CH_4$ Tolune is fed to the reactor at a flowrate of 225 kmol/h and at a temperature of 25°C. If the fractional conversion of tolune is 0.8, the fractional yields of benzene and xylene are 0.505 and 0.495, respectively. If outlet stream contains no hydrogen, and its temperature is 50°C, calculate the heatrete of the process. Consider the feed temperature is 25°C.

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you are using. d) Demonstrate the isbn. rap file to GA/TAs and run with different input values.

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A voltage pulse was applied to a series RLC circuit. Initially at t=0, L and C are discharged to zero energy. Assume Vin(t) = u(t) – u(t-1). 1. What is the resonant frequency in Hz? 2. Calculate the capacitor voltage V(5) waveform. Assume Vin(t)=u(t) and derive V(5)(t). Then get V5(t)- V5(t-1). To get V5(t-1), substitute t=t-1 in V5(t). 3. Calculate the inductor current waveform -I(Vin) waveform.. 4. What is the quality factor Q? 5. Compute the energy dissipated by R1 per one cycle of the resonant frequency. 6. Compute the maximum energy stored by L1 and C1, respectively, during the first cycle of the resonant frequency. 7. Compare {the ratio of 6 and 5} and Q of 4. 8. Derive the equation of the stored energy of L1 and C1, respectively, in terms of time. Plot the 2 stored energy on a graph.

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Consider the following regression model: $TestScore_i = \beta_0 + \beta_1 ClassSize_i + u_i$ Suppose that our dataset is obtained from all the elementary school in Connecticut and the range of class Size is from 12 to 20. Choose an INCORRECT statement. $\beta_1$ represents the expected change in test score which is associated with one unit change in class size. $u_i$ represents all the factors other than class size which affect the test score. Since $(\beta_0, \beta_1)$ are unknown, we should estimate them using the data we have. $\beta_0$ represents the expected test score when the class size is one.

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