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navik [9.2K]
3 years ago
7

In mathematics, the notation n! represents the factorial of the nonnegative integer n. The factorial of n is the product of all

the nonnegative integers from 1 to n. For example: 7! = 1 x 2 x 3 x 4 x 5 x 6 x 7 = 5,040 Write a program that lets the user enter a nonnegative integer and then uses a loop to calculate the factorial of that number. Print the factorial to standard output.
Computers and Technology
1 answer:
hram777 [196]3 years ago
4 0

Answer:

The program to this question can be given as:

Program:

factorial=1 #declare a variable.  

number=int(input("Enter a positive integer:")) #input a number.  

while (number>0): #loop  

   factorial= factorial*number # holding value in factorial variable  

   number=number-1  

print('=',factorial) #print value.

Output:

Enter a positive integer:6  

= 720  

Explanation:

The description of the above python program can be given as:

  • In the above program firstly we define a variable that is "factorial". In this variable, we assign a value that is 1 and it is used to calculate the factorial value.  
  • We define a variable "number". The number variable is used to take input from the user.  
  • Then we define a loop in the loop we calculate the factorial and hold the value in the factorial value in the last we print the value.  

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Write a method that prints on the screen a message stating whether 2 circles touch each other, do not touch each other or inters
beks73 [17]

Answer:

The method is as follows:

public static void checkIntersection(double x1, double y1, double r1, double x2, double y2, double r2){

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Explanation:

This defines the method

public static void checkIntersection(double x1, double y1, double r1, double x2, double y2, double r2){

This calculate the distance

    double d = Math.sqrt(Math.pow((x1 - x2),2) + Math.pow((y1 - y2),2));

If the distance equals the sum of both radii, then the circles touch one another

<em>     if(d == r1 + r2){</em>

<em>         System.out.print("The circles touch each other");     }</em>

If the distance is greater than the sum of both radii, then the circles do not touch one another

<em>    else if(d > r1 + r2){</em>

<em>         System.out.print("The circles do not touch each other");     }</em>

If the distance is less than the sum of both radii, then the circles intersect

<em>    else{</em>

<em>         System.out.print("The circles intersect");     }</em>

}

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