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18. ???? ???????? y ? ????? x ?????? ?????? x ? ????? y ?????? ?????? ?????? ? (A) ?????????? (C) ???????? (B) ?????? (D) ??? ?????? ? ???????? 0000 19. px+ky+3=0 ? x + 2y+10 ??????? ?????? ????k : p ???? ? (A) 2:1 (B) 1:3 20. x+3y=k 63x+y=3k 626x+y=? (C) 3:1 (D) 1:2 0000 (A) 4k (B) 3k (C) 2k (D) k 0000

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None of the resistors in the circuit shown in the drawing is connected in series or in parallel with one another. Find (a) the current $I_5$ and the resistances (b) $R_2$ and (c) $R_3$. $R_1 = 4.0 \Omega$ 9.0 A 75.0 V $R_2$ 6.0 A 12.0 A $R_3$ $R_4 = 2.0 \Omega$ $I_5$ $R_5 = 2.2 \Omega$ (a) Number Units A (b) Number 6.5 Units ohms (c) Number Units ohms

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* Improper Integrals involving infinity* def: Given f(x) is continuos [a, ?) $\int_a^? f(x)dx = \lim_{M \to ?} \int_a^M f(x)dx$ State the Def. of $\int_{-?}^b f(x)dx$ for f(x) continuos on (-?, b]

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Find all points where the function has a possible relative maximum or minimum: x^4-4xy+2y^2-6

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Find an LU factorization of the matrix A (with L unit lower triangular). \begin{equation*} A = \begin{bmatrix} 4 & 8\\ 12 & 22 \end{bmatrix} \end{equation*} L = U =

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Can I have someone check over my work, please? Describe the actions of the following 68K assembly language instructions in RTL (register transfer language). For example, "MOVE.B D0, D4" performs: [D4] <- [D0] for bits 7-0 only, all other bits unaffected. In RTL: M[] or just [] means contents of memory address specified in the brackets. a. MOVE.L $2F00, $6600 - [$6600] <- [$2F00] for bits 31-0, all other bits are unaffected - Moves the contents of $2F00 to $6600. b. MOVE.W D6, $6000 - [$6000] <- [D6] for bits 15-0, all other bits are unaffected - Moves the content of $6000 into D6. c. MOVE.W #$4000, D2 - [#$4000] <- [D2] for bits 15-0, all other bits are unaffected - Moves the literal value of $4000 hex into D2. d. MOVEA.L 10, A2 - [A2] <- [10] for bits 31-0, all other bits are unaffected - Moves the decimal value into address register A2. e. MOVE.B #10, D5 - [D5] <- [#10] for bits 15-0, all other bits are unaffected - Moves the literal decimal number of 10 to the contents of D5. f. MOVE.B #%10, D7 - [D7] <- [#%10] for bits 15-0, all other bits are unaffected. g. MOVE.B #$10, D0 - [D0] <- [#$10] for bits 15-0, all other bits are unaffected. h. MOVE.L #$3000, (A4) - [(A4)] <- [#$3000] for bits 31-0, all other bits are unaffected - Moves into address and it is stored as a value in A4. i. MOVE.W D2, D5 - [D5] <- [D2] - Move the contents of D2 to the contents of D5. j. MOVE.B D4, (A2) - [(A2)] <- [D4] - Moved into address and it is stored as a value in A2.

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5. -10.58 points SerCP11 16.2.P.019. A proton is located at the origin, and a second proton is located on the x-axis at $x_1 = 5.90$ fm ($1\text{ fm} = 10^{-15}\text{ m}$). (a) Calculate the electric potential energy associated with this configuration. (b) An alpha particle (charge = $2e$, mass = $6.64 \times 10^{-27}$ kg) is now placed at $(x_2, y_2) = (2.95, 2.95)$ fm. Calculate the electric potential energy associated with this configuration. (c) Starting with the three particle system, find the change in electric potential energy if the alpha particle is allowed to escape to infinity while the two protons remain fixed in place. (Throughout, neglect any radiation effects.) (d) Use conservation of energy to calculate the speed of the alpha particle at infinity. m/s (e) If the two protons are released from rest and the alpha particle remains fixed, calculate the speed of the protons at infinity.

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Describe what is meant by the experience of urban life, and indicate how sociologists seek to explain this experience.

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Explain the role that the future plays in the stock valuation process. Why not just base the valuation on historical information? Explain how the intrinsic value of a stock is related to its required rate of return. Illustrate what happens to the value of a stock when the required rate of return increases. Assume an investor uses the constant-growth DVM to value a stock. Listed below are various situations that could affect the computed value of a stock. Look at each one of these individually and indicate whether it would cause the computed value of a stock to go up, go down, or stay the same. Briefly explain your answers. - Dividend payout ratio goes up. - Stock's beta rises. - Equity multiplier goes down. - T-bill rates fall. - Net profit margin goes up. - Total asset turnover falls. - Market return increases. Assume throughout that the current dividend (D0) remains the same and that all other variables in the model are unchanged. PLEASE ANSWER IN TEXT FORM AND DO NOT ANSWER WITH A PICTURE OF YOUR TEXT!

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Describe the organisation requirements for enterprise communication solutions. This must include requirements for an email system, content management system and collaboration tool.

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ralph m.