Numerade

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Teens who experience cyberbullying are likely to: Group of answer choices experience depression. find easy ways to escape the situation. not let it bother them. become a people who bully others.

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4. (**) The equation $y^2 = \frac{5x^2y - 5y^3}{x^2 + y^2} - x^2$ is what Darnell calls the "water balloon." Show how to express the equation in trigonometric form of $r = $ something with $\theta$. (*) Over the period $0 \le \theta \le \pi$ what are all the values for $\theta$ when for $r = 0$?

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Lists of questions to be answered by research participants that can be delivered as paper-and-pencil questionnaires, administered electronically, or conducted verbally are known as case studies. correlations. surveys. naturalistic observations.

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Keisha's team has won 18 games and lost 12 so far this season. What is the approximate probability that her team wins the next game it plays? A. $ 60 \% $ B. 0.4 C. 0.45 D. $ \frac{2}{3} $

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Sunland Corporation is considering adding a new product line. The cost of the factory and equipment to produce this product is $1,840,000. Company management expects net cash flows from the sale of this product to be $410,000 in each of the next eight years. If Sunland uses a discount rate of 14 percent for projects like this, what is the net present value of this project? (Do not round discount factors. Round other intermediate calculations and final answer to 0 decimal places, e.g. 1,525.) NPV $ What is the internal rate of return? (Round intermediate calculations to 6 decimal places and answer to 2 decimal places, e.g. 52.50.) Internal rate of return %

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2. Evaluate the integral $\int_0^1 \frac{x - 1}{x + 1} dx$

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Problem Description Figure 1 shows an unbalanced three-phase system. The load is connected to a source through a four- wire line whose impedance $Z_l = 0.5 + j1 \Omega$. $208\angle 0^\circ V$ $208\angle 240^\circ V$ $Z_l = 0.5 + j1 \Omega$ $Z_l = 0.5 + j1 \Omega$ $Z_a = 14 + j7 \Omega$ $Z_b = 17 + j8 \Omega$ $Z_c = 10 + j10 \Omega$ $208\angle 120^\circ V$ $Z_l = 0.5 + j1 \Omega$ $Z_l = 0.5 + j1 \Omega$ Figure 1 b) Calculate the power absorbed by the load and line losses.

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1. Given the circuit shown below, determine (a) An expression for $H(\omega) = V_o/V_i$ in standard form. (b) Spectral plots for the magnitude and phase of $H(\omega)$ given that $R = 100 \Omega$, $L = 0.1 mH$, and $C = 1 \mu F$. (c) The cutoff frequency $\omega_c$ and the slope of the magnitude (in dB) when $\omega/\omega_c \gg 1.$

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Question No. 3 (10) Marks For the circuit shown below emitter voltage is measured to be 1.2V, find the emitter, base and collector currents, if $|V_{BE}| = 0.7V$. Also find $\alpha$, $\beta$, $V_B$ and $V_C$. Draw Load Line & indicate Q point. $R_E = (5000+A+B+C) \Omega$ and $R_C = (5000+D+E+F) \Omega$ Hint: Suppose your registration ID is ABCDEF e.g 212345, then A=2, B=1, C=2, D=3, E=4, F=5 therefore, $R_E = (5000+2+1+2)\Omega = 5005\Omega$ & $R_C = (5000+3+4+5)\Omega = 5012\Omega$

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6.27 Find the equivalent capacitance with respect to the terminals a, b for the circuits shown in Fig. P6.27. Figure P6.27 20 nF 48 nF a $ -40 \text{ V} $ + $ +30 \text{ V} - $ 8 nF 4 nF $ \diagup $ 24 nF $ -10 \text{ V} $ 10 nF 30 nF b $ +5 \text{ V} - $ $ -20 \text{ V} + $ 25 \mu F + 10 V - 5 \mu F 24 \mu F 30 \mu F - 20 V + + 5 V - 36 \mu F 12 \mu F 18 \mu F -2 V + 8V -

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jacqueline s.