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guillermo alvarez

guillermo a.

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A network only requires hardware to operate. Question 8Select one: True False

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Question 7 If your GC showed a signal at 2.5 min, what compound is this signal likely representing? 1-iodohexane 1-hexanol 2-hexanol THF Acetone 5 pts

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29.Salvatore will contribute $500 to a mutual fund at the beginning of each calendar quarter. a) What will be the value of his mutual fund after 6(1)/(2) years if the fund earns 7.6% compounded annually? b) How much of this amount represents investment earnings?

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For which condition of a dying patient would the nurse take action? Moaning Alternating apnea and rapid breathing Anorexia Cool extremities

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As shown in the figure, two masses, m1 = 3.69 kg and m2 = 5.99 kg, are on a frictionless tabletop and mass m3 = 7.37 kg is hanging from m1. The coefficients of static and kinetic friction between m1 and m2 are 0.557 and 0.457, respectively. Draw a free-body diagram for m1. To do this, click on a force from the list below the figure, which you believe to be present in this free-body diagram. Then you can draw a force vector by clicking somewhere on or near the mass and dragging the cursor. The cursor location determines the endpoint of the vector, and the starting point of the vector is automatically the center of the mass. Concentrate on the direction of the force vectors only; the lengths of the vectors will be determined through calculations after the free-body diagram is constructed. A vector is counted as correct, if its angle is within pm 5deg of the exact answer. Once you have drawn all force vectors, click on the "Submit Answer" button.are 0.557 and 0.457 , respectively. answer. Once you have drawn all force vectors, click on the "Submit Answer" button. As shown in the figure, two masses, m = 3.69 kg and m = 5.99 kg, are on a frictionless tabletop and mass m3 = 7.37 kg is hanging from m. The coefficients of static and kinetic friction between m and m2 are 0.557 and 0.457,respectively. Draw a free-body diagram for m. To do this, click on a force from the list below the figure, which you believe to be present in this free-body diagram. Then you can draw a force vector by clicking somewhere on or near the mass and dragging the cursor. The cursor location determines the endpoint of the vector, and the starting point of the vector is automatically the center of the mass. Concentrate on the direction of the force vectors only; the lengths of the vectors will be determined through calculations after the free-body diagram is constructed. A vector is counted as correct, if its angle is within 5 of the exact answer. Once you have drawn all force vectors, click on the "Submit Answer button. Select Force F=weight = normal force from other mass T = string tension f=friction with support surface = friction with other mass Jo N = normal force from table Angles

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2. (a) Suppose $\tan \alpha = \frac{4}{3}$ and $\alpha$ is in Quadrant III. Find $\cos \alpha$, $\sin \alpha$, $\cot \alpha$, $\sec \alpha$, and $\csc \alpha$. (b) Suppose $\cos \beta = \frac{2}{7}$ and $\tan \beta < 0$. Find $\sin \beta$, $\tan \beta$, $\cot \beta$, $\sec \beta$, and $\csc \beta$. (c) Suppose $\theta$ is an angle in standard position that intersects the unit circle at the point $(x, y)$. (i) If $y = \frac{4}{5}$, what are the possible values of $\cos \theta$? (ii) If you know that $\cos \theta$ is negative, in which quadrant does the angle lie? Explain. (d) If $\theta = \frac{\pi}{3}$, find the value of each of the following: (i) $\sin 2\theta$ (ii) $2 \sin \theta$ (iii) $\sin^2 \theta$

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10. Determine the probability of $P(Z > -1.23)$ if Z is a standard normal variable. A. 0.3907 B. 0.6093 C. 0.8907 D. 0.1093

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15. What are the main social and environmental concerns of wind power.

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The DC motor, which has an end voltage of 350V and an armature current of 40 A, operates at 4000 rpm at a certain load. Taking the field resistance 0.6 ohm and the armature resistance 0.4 ohm; Calculate a) output power b) output torque c) motor efficiency d) armature voltage e) opposite electro-motor force (rotary loss 1500 W)

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A publisher needs to send many books to a local book retailer, and will send the books in a combination of small and large boxes. Each small box can hold 20 books and each large box can hold 45 books. How many books could be shipped using 7 small boxes and 8 large boxes? How many books could be shipped using s small boxes and l large boxes?

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