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3 years ago

JAVA QUESTION::

Computers and Technology

1 answer:

allochka39001 [22]3 years ago

8 0

Answer:

3) 44 10 44

Explanation:

Given data

int [] val = { 3, 10, 44 };

The total number of parameters of given array are 3, so total length of array is also 3.

The indexing of array starts with '0', Therefore the <u>indexes</u> of array with length zero are: {0,1,2}

The value of array at index 0 is = 3

similarly

value at index 1 = 10

value at index 2 = 44

Any value of index 'i' of an array is selected using array[i].

Therefore,

val[0] is selecting the value of array located at index '0'.

val[0] = 3

val[2] is selecting the value of array located at index '2'.

val[2] = 44

Finally,

val[0] = val[2]; is copying the value placed at index 2 (44) to value placed at index 0 (3). Hence, the output would be { 44 10 44}. So 3rd option is correct.

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Write a program that prompt the user to enter the coordinate of two points (x1, y1) and (x2,y2), and displays the slope of the l

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Answer:

Here is code in C++.

//include headers

#include <bits/stdc++.h>

using namespace std;

//main function

int main() {

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float x1,x2,y1,y2;

cout<<"Please Enter the coordinate of first point (x1,y1): ";

// reading coordinate of first point

cin>>x1>>y1;

cout<<"Please Enter the coordinate of second point (x2,y2): ";

// reading coordinate of second point

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//calculating Slope of the line that connects these points

float m=(x2-x1)/(y2-y1);

cout<<"Slope of the line that connects these two points is : "<<m<<endl;

}

Explanation:

Declare four variables x1,x2,y1,y2 to store the coordinate of both points.

Read the coordinate of both the point from user. Calculate the slop of the

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Output:

Please Enter the coordinate of first point (x1,y1): 1 3

Please Enter the coordinate of second point (x2,y2): 5 12

Slope of the line that connects these two points is : 0.444444

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<u>Explanation:</u>

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