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(Practice) Determine the value of the following expressions, assuming
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Chapter 4 Solutions
C++ for Engineers and Scientists
- (C PROGRAMMING ONLY) Make a code with the string function of strcat (with user input) THE REQUIRED OUTPUT IS INDICATED IN THE PICTURE. (THE OUTPUT SHOULD BE EXACTLY LIKE IN THE PICTURE)arrow_forward(C++ OOP) We have a house with 3 rooms.We need the user to enter 1 integer as the window number, 2 doubles as depth and width of the room, 1 double as the useless area, 1 boolean as the door's opening direction (e.g. 0 is outward).Program will compute and print the air condition as a string and the total useful area of the house as a double. Calculating the air condition: Name it air_c. Divide the useful area by the window number. If air_c >20, output "bad". If air_c <11 output "good". If 11<=air_c<=20, output "ideal". Attention: If the window number is 0, air condition is bad. Calculating the useful area of room: Width*Depth-(useless area)if the door is inward;Width*Depth-(useless area)-0.8The worst air condition of the 3 is the final air condition of house. --- 1)The information about the home must be all private within a class.2)The class must get these inputs within constructor func.3)Calculating the useful area of a room must be done within a function of a class.4)Air…arrow_forward(Mathematical functions) a model of worldwide population, in billions of people, is given by this formula. Population = 6.0e0.02t Where t is the time in years (t=0 represents january 2000 and t = 1 represents january 2001). Using this formula, write a c++ program that displays a yearly population table for the years january 2005 through January 2010.arrow_forward
- (C PROGRAMMING ONLY) 1. Dealing With Monthsby CodeChum Admin We're done dealing with days. It's time to step up and now deal with months! Instructions: In the code editor, you are provided with a code in the main() which has 12 printf's. Each printf prints a month with its corresponding value. For this program, January is 1, February is 2, March is 3, and so on. When you run the initial code, you will encounter errors because these month names that have been printed don't exist yet.Your task is to create an enum data type which contains these month names as values so that when we run the code, there will be no more error.Do not edit anything in the main(). Output January = 1February = 2March = 3April = 4May = 5June = 6July = 7August = 8September = 9October = 10November = 11December = 12arrow_forward(MATLAB) Explanation of the process neededarrow_forwardProblem 2. (Playing the Waltz) Write a program called playwaltz.py that accepts from standard input, a sequence of 32 integers representing the 32 measures of a waltz, and plays the waltz to standard audio. Before playing any audio, your program must check if the inputs are correct, and if they are not, must call sys.exit (message) to exit the program with an appropriate error message. The following errors must be handled: • If the number of measures is not 32, exit with the message "A waltz must contain exactly 32 measures". • If a minuet measure is not from [1,176], exit with the message "A minuet measure must be from [1, 176]". • If a trio measure is not from [1,96], exit with the message "A trio measure must be from [1, 96]". - "/vorkspace/project3 $ python3 generatewaltz.py < data/mozart.txt | python3 playwaltz. py Directions: • Read the waltz measures from standard input into a 1D list. • Handle the input errors described above. • Play each of the first 16 minuet measures by…arrow_forward
- (Just need answer)arrow_forward(c++) Write a program that takes user input describing a playing card with the following shorthand: A = Ace 2...10 card values J = Jack Q = Queen, etc. D = Diamonds S = Spades. etc. Ex. if the user enters QS then your program responds with Queen of Spadesarrow_forward(x) Write a program that solves the following system of differential equations in the interval [0,2] with the initial condition given next to it and h 0.1 step length.(Python Code) yi = 2y; +2ya Y1(0) = -1 y = 3y, + Y2 Y2(0) = 4arrow_forward
- (Don't copy) Explain pleasearrow_forward(python) Find at least 12 issues in the code. A = int(input("Enter a number for A: ")) B = str(input("Enter a number for B: ")) C = int(input("Enter a number for C: ")) #Check that user input for A is not 0. if A = 0: print("Your coefficient for 'A' MUST BE a value greater than 0, otherwise your equation is not a quadratic!") int(input(Please enter a new value for a:")) = A import math: //Compute the discriminant. disc = (B*B) - (4*A*C) #Display the disciminant computed. print("\nThe discriminant of your equation is", str(disc) + ".") #Check the sign of the computed discriminant if disc == 0: print("This equation has 1 real solution.") x = (-B + math.sqrt(disc)) / (2 * A) print("The solution to your equation is:", x) elif disc > 0 print("This equation has 2 real solutions.") x1 == (-B + math.sqrt(disc)) / (2 * A) x2 == (-B - math.sqrt(disc)) / (2 * A) print("One solution to your equation is:", x1) print("The other solution to your equation…arrow_forward(Software quality engineering)Derive the test cases using equivalent partitioning.arrow_forward
C++ for Engineers and ScientistsComputer ScienceISBN:9781133187844Author:Bronson, Gary J.Publisher:Course Technology Ptr