2. Write the equivalent C++ statement for the following Math formula: b In K 3. Write the equivalent C++ statement for the following Math formula: xty(-9xy + 12x³y?)
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- Find the values of a and b after the following C++ statements: int a = x;a += 5;a += 6;int b = y;b -= 6;b -= 5;Write the equivalent C++ statement for the following Math formula:( 16-In K ++ 1. Write the equivalent C++ statement for the following Math formula -2*(x*x*x*x*y*y)*(-9*(x*y)=12*(x*x*x*y*y)) 3 2. x*y(-9xy+12xy2) 3 -5 and num3=25. What is the output oC++ Pizza Pi Joe’s Pizza Palace needs a program to calculate the number of slices a pizza of any size can be divided into. The program should perform the following steps: Ask the user for the diameter of the pizza in inches. Calculate the numbers of slices that may be taken from a pizza of that size. Display a message telling the number of slices. To calculate the number of slices that may be taken from the pizza, you must know the flowing facts: Each slice should have an area of 14.125 square inches. To calculate the number of slices, simply divide the area of the pizza by 14.125. The area of the pizza is calculated with the formula: Make sure the output of the program displays the number of slices in integer, rounded to the nearest whole number (use the round( ) function) . Use a named constant for pi.
- C++ Exercise 30 defines the number e and Exercise 31 shows how to approximate the value of e using a different expression. Interestingly, the value of e can be approximated using the following expression: 2+1/1+1/2+2/3+3/4+4/5+5…/(n-1)+(n-1)/n+n Write a program that uses this formula to approximate the value of e. Test your program for n = 3, 5, 10, 50, and 100.Q1/ If you know that the values of x are the odd numbers from 1-100, calculate the value of y from the following equation and print the value of y for each value of x Using Fortran Language x + 2 y = V5 - xNB: USE IF ELSE STATEMENTS FOR THIS CODING IN C++ • Calculate each student's grade - 10 students in a class; each student has taken five tests; each test is worth 100 points • Design algorithms to: - Calculate the grade for each student and class average - Find the average test score - Determine the grade • Data: students' names; test scores
- 2. The color of the visible light spectrum can be determined based on the wavelength of light in nm according to the following chart. Violet: [380, 450) "wavelength from 380 nm (inclusive) to 450 nm (exclusive)" Blue: [450, 495) Green: [495, 570) Yellow: [570, 590) Orange: [590, 620) Red: [620, 750) Write a C++ program that asks the user for a wavelength, then reports the color of the spectrum to the user.C++ Ingredient Adjuster A cookie recipe calls for the following ingredients: 5 cups of sugar 1 cup of butter 75 cups of flour The recipe produces 48 cookies with this amount of ingredients. Write a program that asks the user how many cookies he or she wants to make, and then displays the number of cups of each ingredient needed for the specified number of cookies. Use fixed-point notation with two decimal places of precision.4. The value of integer variable t is equal to 10 and the value of the variable p is 2. Find the value of the variable t after the execution of the given statements. t++; t = t/p3; t--; t = t/p;
- Note:solution using c++ language Pre-Lab 02: Write a C++ program to calculate a GPA for the user. The program should enter letter grades until any letter other than A, B, C, D, or F is entered. The average should be calculated and printed according to the following: A (or a) = 4.0 B (or b) = 3.0 C (or c) = 2.0 D (or d) = 1.0 F (or f) = 0.0 Use a do..while loop.C++ CODE ONLY: Write a program that takes as input five numbers and outputs the mean (average) and standard deviation of the numbers. If the numbers are X₁, X2, X3, X4, and x5, then the mean is X = (X1 + X2 + X3 + x4 + x5 ) / 5 and the standard deviation is: (x₁−x)²+ (x₂-x)²+ (x¸¯x)²+(x¸−x)²+(x¸¯x)² S = 5 Your program must contain at least the following functions: 1. a function that calculates and returns the mean; and, 2. a function that calculates the print standard deviation. Input 1.5 integers Output Enter five numbers: 2 3 9 10 11 The mean is 7.00. The standard deviation is 3.742. Enter five numbers: 7 7 8 9 11 The mean is 8.40. The standard deviation is 1.497.C++ Programming Exercise: A real estate office handles, say, 50 apartment units. When the rent is, say, $600 per month, all the units are occupied. However, for each, say, $40 increase in rent, one unit becomes vacant. Moreover, each occupied unit requires an average of $27 per month for maintenance. How many units should be rented to maximize the profit? Write a program that prompts the user to enter: a. The total number of of units. b. The rent to occupy all the units. c. The increase in rent that results in a vacant unit. d. Amount to maintain a rented unit. The program then outputs the number of units to be rented to maximize the profit.