A Concise Intro To Logic
12th Edition
ISBN: 9781305147775
Author: Hurley
Publisher: Cengage
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The relationship between temperature measured on the Celsius scale and on the Fahrenheit scale is linear. The freezing point of water is 0°C and 32°F, and the boiling point is 100°C and 212°F.
(a) Find an equation giving the relationship between the temperature F measured on the Fahrenheit scale and the temperature C measured on the Celsius scale.F =
(b) Find F as a function of C, and use this formula to determine the temperature in Fahrenheit corresponding to a temperature of 20°C. (Round your answer to one decimal place.)°F(c) Find C as a function of F, and use this formula to determine the temperature in Celsius corresponding to a temperature of 80°F. (Round your answer to one decimal place.)°C
Write a program that asks the user for an angle, entered in degrees. The program should then display the sine, cosine, and tangent of the angle. (Use the sin, cos, and tan library functions to determine these values.) You must convert the angle into radians (angle * 3.14/180)
A manufacturer of microwaves has discovered that male shoppers, on average have lower values for microwave ovens than female shoppers. Additionally, male shoppers attribute almost no extra value to an auto-defrost feature, while female shoppers, on average, value the auto-defrost feature. The manufacturer has determined that men value a simple microwave at $70 and one with autodefrost at $80, while women value a simple microwave at $80 and one with auto-defrost at $150. If there is an equal number of men and women, what pricing strategy will yield the greatest revenue?
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- Bad simulations Explain why each of the followingsimulations fails to model the real situation properly:a) Use a random integer from 0 through 9 to representthe number of heads when 9 coins are tossed. b) A basketball player takes a foul shot. Look at a ran-dom digit, using an odd digit to represent a good shot and an even digit to represent a miss.c) Use random numbers from 1 through 13 to represent thedenominations of the cards in a five-card poker hand.arrow_forwardFunctions are used to map elements from one set to another. For example, barcode and QR scanner systems are developed by programmers to use specific symbologies to map the pattern in the barcode to actual digits. The check digit or the final digit is used to determine whether the function is true (known good) or false (errors in the mapping occurred). RFID system developers also use functions to develop a pairing protocol that securely connects legitimate devices within a specific proximity. RFIDs are using in logistics, retail, warehousing, and more.arrow_forwardAssume that the mean scattering in a semiconductor is only dependent on temperature and that dependence to be defined as T^(1.5)and effective electron mass to be independent of temperature. Electron mobility of a semiconductor at 80K is given to be 2,000cm²/m.s. Calculate the electron diffusion constant for this semiconductor at 120K.arrow_forward
- Which methods to use depends on the type of variable(s) being analyzed.arrow_forwardSembotix Company has several divisions including a Semiconductor Division that sells semiconductors to both internal and external customers. The company’s X-ray Division uses semiconductors as a component in its final product and is evaluating whether to purchase them from the Semiconductor Division or from an external supplier. The market price for semiconductors is $100 per 100 semiconductors. Dave Bryant is the controller of the X-ray Division, and Howard Hillman is the controller of the Semiconductor Division. The following conversation took place between Dave and Howard: Dave: I hear you are having problems selling semiconductors out of your division. Maybe I can help. Howard: You’ve got that right. We’re producing and selling at about 90% of our capacity to outsiders. Last year, we were selling 100% of capacity. Would it be possible for your division to pick up some of our excess capacity? After all, we are part of the same company. Dave: What kind of price could you give me?…arrow_forwardIf a convex function is multiplied by a negative constant, the result: A. is concave B. could be either convex or concave, depending on the value of the constant C. is convex D. is lineararrow_forward
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