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Bond [772]
3 years ago
7

What is a sound wave

Computers and Technology
2 answers:
solmaris [256]3 years ago
7 0

Answer:

A wave of sound!

Explanation:

sound waves are sound but sound comes in different wavelengths

andreev551 [17]3 years ago
7 0

Answer:

A wave of air our vocal chords create. Helium is lighter then air so our vocal chords easily make the sound making the wavelengths change and makes our voice high pitched. Sulfur hexafluoride is heavier then air so it makes the wavelengths change because our vocal chords are struggling. When we want to say something our vocal chords push air.

Explanation: Mark Rober and some random knowledge

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Write a C++ program in which you declare variables that will hold an hourly wage, a number of hours worked, and a withholding pe
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Answer:

C++ program: -

//header files

#include <iostream>

//namespace for using input and output stream

using namespace std;

//main function

int main()

{

//declaring the variables

float wg,hrs,pt,np;

//prompt the user to enter the hourly wage

cout<<"Please enter the hourly wage: ";

//storing the value

cin>>wg;

//prompt the user to enter the working hours

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//storing the values

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//prompt the user to enter to enter the percentage

cout<<"Please enter the withholding percentage: ";

//storing the value

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//displaying the next week pay

cout<<"Net weekly pay: "<<np;

//return statement

return 0;

}

Explanation:

In the above program, the variable used are given below: -  

float wg,hrs,pt,np;

wg:- To store the hourly wage

hrs:- To store the working hours  

pt:- To store the percentage

np:- To store the next week payment

The input and the output streams that are used to input and storing the values are cin and cout.

To calculate the next week payment below formula is used:-

np= (hrs*wg*7)- (hrs*wg*7*pt/100); 

Output :-

Please enter the hourly wage: 100                                                                                                                          

Please enter the hours worked: 8                                                                                                                          

Please enter the withholding percentage: 5                                                                                                                

Net weekly pay: 5320

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