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Question 9 1 pts A heat engine absorbs 64 kcal of heat from a hot reservoir and exhausts 42 kcal to a cold reservoir each cycle. Its efficiency is Ο 42%. Ο 33%. Ο 66%. Ο 34%. Ο 52%.

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Q.1. Consider the set of sentences below. S1: A -> (BVE). S2: E -> D. S3: CAF -> -B. S4: E -> В. S5: B -> F. S6: B a. Convert the set of sentences into CNF.

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ORDERS CUSTOMERS Order# Customer# Customer# Orderdate Lastname Shipdate Firstname Shipstreet Email Address Shipcity Shipstate City State Shipzip BOOKAUTHOR AUTHOR Zip Shipcost BOOKS ISBN AuthorlD Referred ISBN AuthorID Region ORDERITEMS Lname Title Order# Pubdate Item# PublD Fname ISBN Cost Quantity Retail Paideach Discount Category PUBLISHER PublD Name PROMOTION Contact Phone Gift Minretail Maxretail

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you bought a new car. from experience you estimate future repair cost as: First year $ 100 Second year $150 Third year $200 Fourth year $250 The dealer offers to sell you a four-year repair contract for $ 600. If the Interest rate 8% Is used. Why should you reject this contract?

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f(x) = 5x^2 y = x^4 + 5x^2 - x (1, 5) y = (cos(5x))^x

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Chapter 11 is an introduction to acid and base chemistry. One of the important connections between chemistry and medicine is in reference to pH control. Give a brief explanation of buffers. Include a short description of the components of a buffer system and how it works. What is the most important buffer system in the bloodstream?

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2006 Total 2007 Total Good Quantity Price Expenditure Price Expenditure Bagels 100 $1.00 $1.50 Shoes 10 $45.00 $50.00 DVDs 20 $10.00 $12.00 The consumer price index (CPI) for this three-product market in 2007 using 2006 as the base year is cannot be determined from the given data 100 118.7 113.4 Question 8 4 pts The Internet has enabled workers and companies to find each other more quickly and to make better matches with substantially lower costs. The result is lower structural unemployment. lower frictional unemployment. lower cyclical unemployment. higher frictional unemployment.

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Question NO. 4 Question NO. 4: A firm has fixed costs of $100 and variable costs as indicated in the table bottom of this question. -Complete the following table? Total Total product Fixed Total variable cost Total cost Average Fixed cost Average variable cost Average Marginal total cost cost 0 0 1 20 2 35 3 40 4 45 5 55 6 65

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Q2] A pulse radar system uses parabolic antenna with 2 GHz operating frequency. A 20 m range resolution is needed at its maximum range $R_{umax}$=10 km. Determine the following: a) The antenna gain. b) The radar waveform parameters ($T_p$ and RT). [2 marks]

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4. Create a primary function that uses a function handle with a nested function to compute the minimum of the function $e^x (3.1x^4 - 20.2x^3 - 0.3x^2 + 22.7x - 40)$ over the range $0 \le x \le 10$.

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