7th Edition

ISBN: 8220102744202

Author: Irvine

Publisher: PEARSON

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Textbook Question

Chapter 3, Problem 12PC

Joe's Pizza Palace needs an application to calculate the number of slices a pizza of any size can be divided into. The application should do the following:

a. Allow the user to enter the diameter of the pizza, in inches.
b. Calculate the number of slices that can be cut from a pizza that size.
c. Display a message that indicates the number of slices.

To calculate the number of slices that can be cut from the pizza, you must know the following facts:

a. Each slice should have an area of 14.125 inches.
b. To calculate the number of slices, divide the area of the pizza by 14.125.

The area of the pizza is calculated with the following formula:

Area = πr²

Note

π is the Greek letter pi. 3.14159 can be used as its value. The variable r is the radius of the pizza. Divide the diameter by 2 to get the radius.

If the user fails to enter numeric values, display an appropriate error message and do not attempt to perform calculations. Use the following test data to determine if the application is calculating properly:

Chapter 3, Problem 12PC, Joe's Pizza Palace needs an application to calculate the number of slices a pizza of any size can be

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Chapter 3, Problem 11PC

Chapter 3, Problem 13PC

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Chapter 3 Solutions

EBK STARTING OUT WITH VISUAL BASIC

Ch. 3.1 - What TextBox control property holds text entered...Ch. 3.1 - Prob. 3.2CP Ch. 3.1 - Prob. 3.3CP Ch. 3.1 - Prob. 3.4CP Ch. 3.2 - Prob. 3.5CP Ch. 3.2 - Write a variable declaration for an Integer...Ch. 3.2 - Which of the following variable names are written...Ch. 3.2 - Prob. 3.8CP Ch. 3.2 - What default value is assigned to each of the...Ch. 3.2 - Write a Date literal for the following date and...

Ch. 3.2 - Prob. 3.11CP Ch. 3.3 - Prob. 3.12CP Ch. 3.3 - Prob. 3.13CP Ch. 3.3 - Prob. 3.14CP Ch. 3.3 - What will be the final value of dblResult in the...Ch. 3.3 - What will be the final value of dblResult in the...Ch. 3.4 - Prob. 3.17CP Ch. 3.4 - Prob. 3.18CP Ch. 3.4 - Prob. 3.19CP Ch. 3.4 - Will the following statement execute or cause a...Ch. 3.4 - Prob. 3.21CP Ch. 3.4 - Assuming that intNumber is an integer variable,...Ch. 3.4 - Prob. 3.23CP Ch. 3.4 - How would the following strings be converted by...Ch. 3.5 - Prob. 3.25CP Ch. 3.5 - For each of the following numeric formats,...Ch. 3.5 - Prob. 3.27CP Ch. 3.5 - In the following table, fill in the expected...Ch. 3.5 - Prob. 3.29CP Ch. 3.5 - Prob. 3.30CP Ch. 3.6 - Prob. 3.31CP Ch. 3.6 - Where do you declare class-level variables?Ch. 3.7 - Prob. 3.33CP Ch. 3.7 - Prob. 3.34CP Ch. 3.7 - What kind of code does the try block of a...Ch. 3.7 - Prob. 3.36CP Ch. 3.7 - Prob. 3.37CP Ch. 3.7 - Prob. 3.38CP Ch. 3.8 - Prob. 3.39CP Ch. 3.8 - Prob. 3.40CP Ch. 3.8 - Prob. 3.41CP Ch. 3.8 - Prob. 3.42CP Ch. 3.8 - Write a programming statement that gives the focus...Ch. 3.8 - Prob. 3.44CP Ch. 3.8 - Prob. 3.45CP Ch. 3.8 - Prob. 3.46CP Ch. 3.8 - When a GroupBox control is deleted, what happens...Ch. 3.8 - Prob. 3.48CP Ch. 3.8 - Prob. 3.49CP Ch. 3.9 - Prob. 3.50CP Ch. 3.9 - Prob. 3.51CP Ch. 3.9 - Prob. 3.52CP Ch. 3.9 - What Visual Basic function would you use to get...Ch. 3.9 - Prob. 3.54CP Ch. 3.11 - Prob. 3.55CP Ch. 3.11 - Prob. 3.56CP Ch. 3.11 - What is the purpose of single-stepping through an...Ch. 3 - Prob. 1FIB Ch. 3 - _____ is a commonly used prefix for TextBox...Ch. 3 - Prob. 3FIB Ch. 3 - Prob. 4FIB Ch. 3 - Prob. 5FIB Ch. 3 - Prob. 6FIB Ch. 3 - Prob. 7FIB Ch. 3 - When Option Strict is set to ______ only widening...Ch. 3 - A(n) _____ is a specialized routine that performs...Ch. 3 - The _____ function converts an expression to an...Ch. 3 - Prob. 11FIB Ch. 3 - Prob. 12FIB Ch. 3 - When two operators share an operand, the operator...Ch. 3 - Prob. 14FIB Ch. 3 - Prob. 15FIB Ch. 3 - Prob. 16FIB Ch. 3 - Prob. 17FIB Ch. 3 - Prob. 18FIB Ch. 3 - Prob. 19FIB Ch. 3 - Prob. 20FIB Ch. 3 - A(n) ______ is a container for other controls that...Ch. 3 - Prob. 22FIB Ch. 3 - Prob. 23FIB Ch. 3 - Prob. 24FIB Ch. 3 - T F: The TextBox controls Text property holds the...Ch. 3 - Prob. 2TF Ch. 3 - T F: The string concatenation operator...Ch. 3 - T F: A local variable may be accessed by any other...Ch. 3 - T F: When a string variable is created in memory,...Ch. 3 - T F: A variables scope is the time during which...Ch. 3 - T F: A variable declared inside a procedure is...Ch. 3 - Prob. 8TF Ch. 3 - T F: If the CInt function cannot convert its...Ch. 3 - T F: The multiplication operator has higher...Ch. 3 - T F: A named constants value can be changed by a...Ch. 3 - T F: Only controls capable of receiving input,...Ch. 3 - Prob. 13TF Ch. 3 - Prob. 14TF Ch. 3 - Prob. 15TF Ch. 3 - Prob. 16TF Ch. 3 - Prob. 17TF Ch. 3 - Prob. 18TF Ch. 3 - Prob. 19TF Ch. 3 - Prob. 20TF Ch. 3 - Prob. 21TF Ch. 3 - T F: While single-stepping through an applications...Ch. 3 - Prob. 1MC Ch. 3 - Prob. 2MC Ch. 3 - You declare a named constant with which keyword?...Ch. 3 - Prob. 4MC Ch. 3 - Prob. 5MC Ch. 3 - Prob. 6MC Ch. 3 - Prob. 7MC Ch. 3 - Prob. 8MC Ch. 3 - Prob. 9MC Ch. 3 - Prob. 10MC Ch. 3 - Prob. 11MC Ch. 3 - Prob. 12MC Ch. 3 - Prob. 1SA Ch. 3 - How do you clear the contents of a TextBox...Ch. 3 - Prob. 3SA Ch. 3 - Create variable names that would be appropriate...Ch. 3 - Why should you always make sure that a String...Ch. 3 - Prob. 6SA Ch. 3 - How would the following strings be converted by...Ch. 3 - Prob. 8SA Ch. 3 - Prob. 9SA Ch. 3 - Assuming that the variable dblTest contains the...Ch. 3 - What is the focus when referring to a running...Ch. 3 - Prob. 12SA Ch. 3 - Prob. 13SA Ch. 3 - Prob. 14SA Ch. 3 - Prob. 15SA Ch. 3 - Prob. 16SA Ch. 3 - Prob. 17SA Ch. 3 - Describe three ways to set a breakpoint in an...Ch. 3 - Should a programming language automatically insert...Ch. 3 - Prob. 2WDT Ch. 3 - Prob. 3WDT Ch. 3 - Prob. 4WDT Ch. 3 - Prob. 5WDT Ch. 3 - Prob. 6WDT Ch. 3 - Prob. 7WDT Ch. 3 - Prob. 8WDT Ch. 3 - How can you get your application to execute a...Ch. 3 - Prob. 10WDT Ch. 3 - Prob. 11WDT Ch. 3 - Prob. 1FTE Ch. 3 - Open the Chap3\ Error2\ Error2 project from the...Ch. 3 - Open the Chap3\ Error3\ Error3 project from the...Ch. 3 - Create a flowchart that shows the necessary steps...Ch. 3 - Prob. 2AW Ch. 3 - Prob. 3AW Ch. 3 - Prob. 4AW Ch. 3 - Convert the flowchart you constructed in Exercise...Ch. 3 - Prob. 6AW Ch. 3 - Prob. 7AW Ch. 3 - The Miles per Gallon Calculator Problem Create an...Ch. 3 - There are three seating categories at a high...Ch. 3 - Prob. 3PC Ch. 3 - A movie theater only keeps a percentage of the...Ch. 3 - Room Charge Calculator Error Display In the Room...Ch. 3 - Prob. 6PC Ch. 3 - The Upper West View Yacht club sponsors sailboat...Ch. 3 - Create an application that converts Celsius to...Ch. 3 - Create an application that converts U.S. dollar...Ch. 3 - A retail company must file a monthly sales tax...Ch. 3 - A county collects property taxes on the assessment...Ch. 3 - Joe's Pizza Palace needs an application to...Ch. 3 - Assuming there are no accidents or delays, the...Ch. 3 - Create a VB application that lets the user enter...Ch. 3 - Many financial experts advise that property owners...Ch. 3 - Assume that a bag of cookies holds 40 cookies. The...

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