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beth gutierrez

beth g.

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Multiple Choice 2 points Which action below is affected by an antihistamine? blood vessel dilation phagocytosis of antigens MHC presentation by macrophages the secondary immune response clonal selection by antigens

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50 cm3 of wood is floating on water, and 50 cm3 of iron is totally submerged. Which has the greater buoyant force on it? An incompressible fluid flows irrotationally through a tube of circular crosssection that has greater diameter at one end than the other. What conclusion can you reach about the speed of the fluid at the ends of the tube?

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2.13 LAB: Branches: Largest number Write a program that reads three integers as inputs, and outputs the largest of the three values. Ex: If the input is: 7 15 3 the output is: 15 643258.3022732.qx3zqy7 LAB ACTIVITY 2.13.1: LAB: Branches: Largest number 1 // Your solution goes here

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If a job is being overcharged, is this always intentional? Select answer from the options below No, because the extra costs may be due to a mistake. Yes, because there should be a budget. No, because this should fall on the project manager only. Yes, because the extra costs should be expensed.

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Minimum price per unit: $25.00

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The equation of motion is s(t) = 5cos(2t) + 5sin(2t)

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I and II 1, 11. and III 11, III, IV II and III Question 5 Select the TRUE statement regarding the intensity of effective aerobic activity: Intensity describes how many days per week aerobic activity is performed Intensity describes amount of time spent conducting aerobic activity in a single bout Intensity will dictate the duration of aerobic activity An intensity as low as 25-30% of one's Heart Rate Reserve will produce health benefits and fitness adaptations Question 6 What small structure that is a component of the lungs is most responsible for oxygen uptake and transportation?

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II. ER_diagram (15 points) Licence Management system A person can own multiple cars and a car is owned by one or multiple people since a given year. Each car should have a model, multiple cars can have the same model. • The customer is identified by the name, and has age and gender as attributes. • The car is identified by its license plate, and has a color, a year attributes. • The model is identified by the name and has brand and weight as attributes. Question III.1 (8 points) Create the ER-diagram for the license system Question III-2 (7 points) Use the reduction rules to get the schema for the license system

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4. Average and rms values Several periods of periodic voltage v(t) are shown in the figure. Find the average value $V_{avg}$ and the rms value $V_{rms}$ of the waveform. Answers in the spaces provided. $V_{avg} = $ $V_{rms} = $

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Consider a LTI system with transfer function $H(s) = \frac{(2s + 10)}{(s^2 + 2s + 10)}$ Given the following inputs, find the zero-state response of the system in each case. Extra credits: verify your results using MATLAB (Hint: Use polyval function and include your code). a) x(t) = 4 b) x(t) = e^{-2t} c) x(t) = 4sin(3t) d) x(t) = e^{j3t} e) How are the responses of Parts (c) and (d) related?

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