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3 years ago

PLEASE HELP!! Computer science test

Computers and Technology

1 answer:

tatiyna3 years ago

6 0

Answer:

See Explanation

Explanation:

Given

The attached function

What the recursion does is that; it adds up individual digits from N to 0

Solving (a): Each output when N = 6

For N = 6.

The function returns the following values:

f(6) = 6

Then: 6 + f(5)

Then: 6 + 5 + f(4)

Then: 6 + 5 + 4 + f(3)

Then: 6 + 5 + 4 + 3 + f(2)

Then: 6 + 5 + 4 + 3 + 2 + f(1)

Then: 6 + 5 + 4 + 3 + 2 + 1 + f(0)

Then: 6 + 5 + 4 + 3 + 2 + 1 + 0 = 21

Solving (b): The output when N = 7

Using the same process in (a) above.

The output is 28

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2 years ago

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Montano1993 [528]

Answer:

Explanation:

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import java.util.Random;

import java.util.Scanner;

class Brainly {

static int highestNum = 0;

static int userInput;

static int sumOfNums = 0;

public static void main(String[] args) {

userData();

displayResults();

}

private static void userData() {

Scanner in = new Scanner(System.in);

Random rand = new Random();

System.out.println("Enter a number between 9 and 20: ");

userInput = in.nextInt();

if ((userInput >= 9) && (userInput <= 20)) {

for (int i = 0; i < userInput; i++) {

int num = rand.nextInt(100);

if (num > highestNum) {

highestNum = num;

}

sumOfNums += num;

}

public static void displayResults() {

System.out.println("There were " + userInput + " numbers generated");

System.out.println("The highest number generated is " + highestNum);

System.out.println("The sum of the numbers is " + sumOfNums);

int average = sumOfNums / userInput;

System.out.println("The average of the numbers is " + average);

}

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