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Temka [501]
2 years ago
11

Driving is expensive. Write a program with two inputs, a car's miles/gallon and the cost of gas/gallon both represented as doubl

e variables, and output the total drive cost for 10 miles, 50 miles, and 400 miles, all on the same line, each separated by a single space.
Output each floating-point value with two digits after the decimal point, which can be achieved by executing the command
cout << fixed << setprecision(2); once before all other cout statements. That is done only once in the code before any cout stamtent.

Ps:(when i run the program it says this-
Enter miles per Gallon:
Gas cost for ten miles :-nan
Gas cost for fifty miles :-nan
Gas cost for four hundred miles:-nan
Computers and Technology
1 answer:
Nataly_w [17]2 years ago
6 0

Answer:33

Explanation:

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The speed of sound depends on the material the sound is passing through. Below is the approximate speed of sound (in feet per se
german

Answer:

The Java Program for the given problem is as below. Directly copy the code and run it on your machine.

Explanation:

Refer the Screenshots attached for the output.

import java.io.BufferedReader;

import java.io.InputStreamReader;

public class TheSpeedOfSound {

public static void main(String[] s)

{

String medium;

double distance;

double time;

try{

BufferedReader choice = new BufferedReader(new InputStreamReader(System.in));

System.out.println("Enter one of the following: air, water, or steel: ");

medium = choice.readLine(); // reading input i.e. air, water or steel

//check for air water and steel

if (medium.equalsIgnoreCase("air") || medium.equalsIgnoreCase("water") || medium.equalsIgnoreCase("steel")){

System.out.println("Enter the distance the sound wave will travel: ");

distance = Double.parseDouble(choice.readLine()); // read distance value if it is air water or steel

switch (medium)

{

//if medium is air

case "air":

time = distance/1100;

System.out.print("It will take " + time + " seconds.");

break;

//if medium is water

case "water":

time = distance/4900;

System.out.print("It will take " + time + " seconds.");

break;

//if medium is steel

case "steel":

time = distance/16400;

System.out.print("It will take " + time + " seconds.");

break;

}

}

else{

System.out.print("Sorry, you must enter air, water, or steel.");  

}

}

catch(Exception e){

e.printStackTrace();

}

}

}

8 0
3 years ago
You are a software engineer at a company where management routinely encourages you and your colleagues to use pirated software.
s2008m [1.1K]

Answer:

That’s highly illegal. You should notify them that it is illegal. And, if they continue, you should notify the legal team. If it continues, you either need to leave the company or notify the proper authorities.

7 0
2 years ago
A field whose data type is ____ can store text that can be used as a hyperlink address
olya-2409 [2.1K]
A field whose data type is URL address data can store text that can be used as a hyperlink address.
8 0
3 years ago
This question involves the implementation of the PasswordGenerator class, which generates strings containing initial passwords f
liq [111]

The following code will be used for the PasswordGenerator class.

<u>Explanation:</u>

import java.util.Random;

public class PasswordGenerator {

   private static int passwordsGenerated =0;

   private static Random random = new Random();

   private String prefix;

   private int length;

   public PasswordGenerator(int length,String prefix) {

       this.prefix = prefix;

       this.length = length;

   }

   public PasswordGenerator(int length) {

       this.prefix = "A";

       this.length = length;

   }

   public String pwGen(){

       String pwd= this.prefix+".";

       for(int i=1;i<=this.length;i++){

           pwd+=random.nextInt(10);

       }

       passwordsGenerated+=1;

       return pwd;

   }

   public int pwCount(){

       return passwordsGenerated;

   }

   public static void main(String[] args) {

       PasswordGenerator pw1 = new PasswordGenerator(4,"chs");

       System.out.println(pw1.pwCount());

       System.out.println(pw1.pwGen());

       System.out.println(pw1.pwGen());

       System.out.println(pw1.pwCount());

       PasswordGenerator pw2 = new PasswordGenerator(6);

       System.out.println(pw2.pwCount());

       System.out.println(pw2.pwGen());

       System.out.println(pw2.pwCount());

       System.out.println(pw1.pwCount());

   }

}

8 0
3 years ago
Which of the following method calls are legal?a. mathMethod(x);b. mathMethod(y);c. mathMethod(x, y);d. mathMethod(x + y);e. math
Roman55 [17]

Answer:

Option a, b, d, f, and j is legal method calls.

Explanation:

In the given question some information is missing, that is the method definition which can be described as follows:

Method definition:

int x =2, y=3; //defining integer variable

int mathMethod (int x)  //method definition

{//method body

int z=x+y; //calculate value

return z;  //return value

}

In the given question option a, b, d, f, and j  is legal, because these options follow the correct syntax, and other option were incorrect which can be defined as follows:

  • In option c, It is illegal because it accepts only one parameter.
  • In option e, It is accepts long number, that's why it is illegal.
  • In option g, It accepts float value, that's why it is illegal.
  • In option h, It doesn't accepts any parameter.
  • In option i, It isn't use in method.
7 0
3 years ago
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