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martin hamilton

martin h.

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What are the ironies in the story "The Story of an Hour," by Chopins?

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Ic [mA] 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 BJT Current-Voltage Characteristics $I_B = 75.0$ ?A $I_B = 50.0$ ?A $I_B = 25.0$ ?A $I_B = 0.0$ ?A 0.0 0 1 2 3 4 5 6 7 8 9 10 11 VCE [V] Given that $V_{CC} = 9$ V and $R_C = 1000$ ?. Find the value of $\beta$ and complete the formulae for $I_C$ and $V_o$ when $I_B = 25$ ?A + $16$ ?A sin($\omega t$). $\beta = 40$

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Given the following information on stock and bond return, standard deviation and correlation, please tabulate the investment opportunity set with increment of 10% in weight. Please calculate the portfolios' return, standard deviation and Sharpe ratio. You can work on it in excel and copy the table from Excel and paste it in the answer section. Expected Standard Return Deviation Correlation Stock 0.12 0.25 0.2 Bond 0.06 0.10 T-Bill 0.04 0 Portfolios: Portfolio Stock Weight Bond Weight Portfolio Return Portfolio Standard Deviation Share Ratio 1 0 0.9 0.1 0.8 0.2 0.7 0.3 0.6 0.4 0.5 0.5 0.4 0.6 0.3 0.7 0.2 0.8 0.1 0.9 0 1

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The signal $x(t) = 10sinc(4t)$ with the following graph: is fed as input to the following system: and the following signal $Y(j\omega)$ is the Spectrum (Frequency Domain Representation) of the output $y(t)$ of this system. $Y(j\omega) = \frac{5\pi}{4}rect(\frac{\omega}{8})cos(5\omega) + \frac{5\pi}{2}rect(\frac{\omega}{8})$ Calculate the system's impulse response $h(t)$. Hint 1: where $sinc(Wt) \iff \frac{\pi}{W}rect(\frac{\omega}{2W})$ Hint 2: $\delta(t - t_0) = \frac{1}{2\pi}\int_{-\infty}^{\infty}e^{j\omega(t - t_0)}d\omega$

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5.35 Determine the maximum deflection of the beam shown in Sketch j. Ans. $y_{max} = \frac{wl^2}{24EI}(9l^2 + 20al + 12a^2)$.

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Text: 20 (30 marks). For the linear programming Max 3A+2B s.t A+B ≥ 4, 3A+4B ≤ 24, A ≥ 2, A-B ≤ 0, A, B ≥ 0. a. Write the problem in standard form. b. Solve the problem. c. What are the values of the slack and surplus variables at the optimal solution? No Excel please and no paperwork.

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14.) Given the parent graph of f(x) = \sqrt{x}, describe the\n transformation(s) of each g(x) function. Each has two\n answers.\n g(x) = \sqrt{x + 2} - 2\n 1.)\n 2.)\n g(x) = -\sqrt{x + 2}\n 1.)\n 2.)\n Possible describing words that may or may not be used:\n > up, down, left, right\n > stretch, shrink\n > reflect over x-axis, reflect over y-axis

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What is the next fraction in this sequence? Simplify your answer. $\frac{1}{6}$, $\frac{1}{9}$, $\frac{2}{27}$, $\frac{4}{81}$, ...

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(13) Differentiate using your choice of methods. 38. $y = \frac{x+1}{x-1}$ (Simplify this answer!) 39. $f(x) = \frac{5}{(2x)^3}$ 40. $y = \frac{x^2}{e^x}$

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The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.8 days and a standard deviation of 1.9 days. What is the 80th percentile for recovery times? (Round your answer to two decimal places.) days

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