Questions asked
7. If P is the centre of a circle and \( \overline{\mathrm{AB}} \) is a chord such that \( \angle \mathrm{PAB}=30^{\circ} \), then \( \angle A P B= \) a) \( 120^{\circ} \) b) \( 90^{\circ} \) c) \( 60^{\circ} \) d) \( 150^{\circ} \)
(1 point) If $f(x) = e^{5x}$, find the 9 th derivative $f^{(9)}(x)$. (Hint: Find $f'(x)$, $f''(x)$, etc. and look for a pattern.) $f^{(9)}(x) = $
Question 9 Which area of study focuses on communication within healthcare settings? O organizational communication health communication O interpersonal communication healthcare communication 1 pts
\frac{1}{3}H \quad 2H \quad \frac{2}{3}H L_1 \quad L_2 \quad L_3 C_1 \quad C_2 10u(t) R = 4\Omega 200mF \quad 800mF
10. What is SAR in relation to cell phone radiation? A. A type of electromagnetic radiation emitted by cell phones B. A measure of the rate at which energy is absorbed by the body when exposed to cell phone radiation C. A type of radiation that can cause cancer D. A measure of the number of radio waves in a given area
7. Consider a p<sup>+</sup>-n-p<sup>+</sup> BJT under normal active mode operation with the following properties at room temperature: p-type region n-type region Doping Concentration: 1 x 10<sup>18</sup>/cm<sup>3</sup> 1 x 10<sup>15</sup>/cm<sup>3</sup> Minority Carrier Lifetime: 1 x 10<sup>-7</sup> s 10 x 10<sup>-6</sup> s Electron mobility: 700 cm<sup>2</sup>/V*s 1300 cm<sup>2</sup>/V*s Hole mobility: 200 cm<sup>2</sup>/V*s 450 cm<sup>2</sup>/V*s Width of the neutral base region: 1.0 x 10<sup>-4</sup> cm Area: 10<sup>-4</sup> cm<sup>2</sup> Calculate the total emitter current and the current transfer ratio for an emitter junction bias of 0.4 V and a collector junction bias of -35V.
3. Let X and Y be discrete random variables with a joint pmf that assigns probability 1/3 to each of the points (-1,0), (0, 1) and (1,0). (a) Find the marginal pmf's $p_X(x)$ and $p_Y(y)$. Are X and Y independent? (b) Find cov(X,Y).
Which of the following will likely be the most important factor determining the extent to which students at all grade levels and in all content areas are prepared to perform as well as possible on standardized tests? The extent to which you "teach to the test" The emphasis your school places on standardized testing The effectiveness of your instruction The extent to which you encourage your students to study and prepare for standardized tests
The dominant, hegemonic view regarding development focused on the following (pick all that apply):
The posterior belly of the digastric muscle is innervated by a branch of this cranial nerve: a. V b. VII C. IX d. X e. XI
