Numerade

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Shown below are the matrix A, corresponding to a system of linear equations, and the matrix rref(A), obtained after the Gauss-Jordan elimination method is applied to A. Write the system of linear equations corresponding to A, and use rref(A) to give all solutions to the system of linear equations.\\ $\begin{bmatrix} -17 & 2 & 4 & -100 \\ -8 & 1 & 2 & -47 \\ -4 & 0 & 1 & -24 \end{bmatrix}$ and $rref(A) = \begin{bmatrix} 1 & 0 & 0 & 6 \\ 0 & 1 & 0 & 1 \\ 0 & 0 & 1 & 0 \end{bmatrix}$ Write the system of linear equations corresponding to A. Select all equations in the system below. A. $-17x + y + z = -171$ B. $-17x - 8y - 4z = 0$ C. $2x + y = 0$ D. $-17x + 2y + 4z = -100$ E. $4x + 2y + z = 0$ F. $-8x + y + 2z = -47$ G. $-100x - 47y - 24z = 0$ H. $-4x + z = -24$

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A woman in the third trimester of pregnancy presents with vaginal bleeding and states she snorted cocaine approximately 2 hours ago. Which complication would this client profile suggest? Placenta previa Tubal pregnancy Abruptio placentae Spontaneous abortion

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Question 5 20 pts For the following, fill in the blank from this word bank: Producing, Directing, Acting, Designing, Building, Crewing, Stage Managing, House Managing. ____ consists of "running" a play production in [Choose] all its complexity in performance. ____ consists of [Choose] controlling and developing the artistic product and providing it with a unified vision, coordinating all of its components, and supervising its rehearsals. ____ includes securing [Choose] all necessary space, personnel, and financing. ____ consists of [Choose] technicians who execute, in proper sequence and with carefully rehearsed timing, the light and sound cues and shifting of scenery.

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What is the Delta Hdeg _(rxn ) for the following reaction using the Delta Hdeg _(f) information provided below? SO_(2)Cl_(2)(g)+2H_(2)O(l)->2HCl(g)+H_(2)SO_(4)(l),Delta H_(rxn )deg = A. -422kJ B. -256kJ C. -62kJ D. +161kJ E. +800.kJ able[[,Delta Hdeg f(k(J)/(m)ol Please Look at photo and Show all work and explanations. I have no idea how to solve these problems 48. What is the Hrxn for the following reaction using the Hf information provided below? SO2Cl2(g)+ 2 H2O(l)-2 HCl(g)+ H2SO4(l) Hrxn= ? A.-422kJ Hf (kJ/mol) B.-256kJ SO2Cl2(g) -364 C.-62 kJ H2O(D -286 D.+161 kJ HCl(g) 92 E.+800.kJ H2SO4(D -814 49. What is the H'rxn for the reaction below? (Use the bond energies provided to estimate.) 2 Br2(l)+C2H2(g)-> C2H2Br4(l) Bond Type Bond Energy(kJ/mol) A.-648 kJ Br-Br 193 C=C B.-324 kJ 837 CC C.-228 kJ 347 C-Br 276 D.+407 kJ C-H 414 E.+573 kJ 50. What is the 2nd electron affinity (EA) of oxygen using the information given in the table? A.+1127 kJ H(kJ mol-) B.+878 kJ Ca(s->Ca(g) 193 C.+578 kJ Cag)->Ca+(g+e 590 D.-2667 kJ Ca+(g)-> Ca2+(g) + e 1010 E.-3414kJ 2 O(g)->O2g) 498 O(g+e->Og -141 Ca2+(g)+ O2-(g)->CaO(s) -3414 Ca(s)+1/2 O2(g)->CaO(s) 635

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Consider the following system of equations. $3x + 4y = -1$ $5x + 3y = 2$ Find the following determinants used to solve the system using Cramer's Rule, where A is the coefficient matrix. (If an answer does not exist, enter DNE.) $|A| = |A_1| = |A_2| = Use Cramer's Rule to solve (if possible) the system of linear equations. (If not possible, enter IMPOSSIBLE.) $(x, y) = $

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What is true about the binary search tree data structure? Does not contain any child nodes Is a linear data structure Searching for data follows a methodical approach Difficult to use to search for data

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Refer to Table under monopoly. What is the marginal revenue of the third unit of output? Price Quantity $12 1 $11 2 $10 3 $9 4 12 10 1 8

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When butter turns rancid, its foul odor is mostly that of butanoic acid, HC$_4$C$_7$O$_2$, a weak monoprotic acid similar to acetic acid in structure. In a 0.0100 M solution of butanoic acid at 20 $^\circ$C, the acid is 4.0% ionized. Calculate the $K_a$ of butanoic acid at this temperature. $K_a$ = Calculate the $pK_a$ of butanoic acid at this temperature. $pK_a$=

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Question 2 (15 points) (Show all your work) A digital linear time-invariant filter has described by the following difference equation: $\frac{3}{2}y[n-1] - y[n-2] = 6x[n] + \frac{5}{6}x[n-1]$ Where x[n] is the input signal and y[n] is the output signal. a) Determine the transfer function using the Z-transform. (2 points) b) Is this filter an IIR or FIR? Explain. (1 point) c) What is the order of this filter? (1 point) d) Find the impulse response, assume that the system is stable. (6 points) e) Find the impulse response, assume that the system is causal. (5 points)

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Along a given downward-sloping demand curve, a decrease in the price of a good will ______ consumer surplus. ? increase ? decrease ? have no effect on ? It's impossible to tell what will happen to consumer surplus.

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catherine j.