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Ghella [55]
3 years ago
6

Write a program that converts degrees Fahrenheit to Celsius using the following formula. degreesC = 5(degreesF – 32)/9 Prompt th

e user to enter a temperature in degrees Fahrenheit (just a whole number of degrees without a fractional part), and then let the program print out the equivalent Celsius temperature, including the fractional part to one decimal point. Use the Math.Round(number, decimal) method. A possible dialog might be:______.
Enter a temperature in degrees Fahrenheit: 72 72 degrees Fahrenheit = 22.2 degrees Celsius.
Computers and Technology
1 answer:
weeeeeb [17]3 years ago
5 0

Answer:

Written in Python

import math

degreesF = float(input("Enter a temperature in degrees Fahrenheit: "))

degreesC = round(5 * (degreesF - 32)/9,1)

print(degreesC)

Explanation:

The following header allows you to use Math.Round() method in Python

import math

The following prompts the user for temperature in degrees Fahrenheit

degreesF = float(input("Enter a temperature in degrees Fahrenheit: "))

The following calculates the degree Celsius equivalent and also round it up

degreesC = round(5 * (degreesF - 32)/9,1)

The following prints the degree Celsius equivalent

print(degreesC)

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Construct a class that will model a quadratic expression (ax^2 + bx + c). In addition to a constructor creating a quadratic expr
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Answer:

Following are the code to this question:

#include <iostream>//header file

#include<math.h>//header file

using namespace std;

class Quadratic//defining a class Quadratic  

{

private:

double a,b,c;//defining a double variable

public:

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{

a = 0;//assigning value 0  

b = 0;//assigning value 0  

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this->b = b;//use this keyword to hold value in b variable

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}

double getA() //defining a get method  

{

return a;//return value a

}

void setA(double a)//defining a set method to hold value in parameter

{

this->a = a;//assigning value in a variable

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double getB() //defining a get method  

{

return b;//return value b

}

void setB(double b)//defining a set method to hold value in parameter  

{

this->b = b;//assigning value in b variable

}

double getC() //defining a get method

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return c;//return value c

}

void setC(double c)//defining a set method to hold value in parameter

{

this->c = c;//assigning value in c variable

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}

double numberOfReal()//defining a method numberOfReal to calculates the real roots

{

return (b*b)-(4*a*c);//return real roots

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void findroots()//defining a method findroots

{

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if(d<0)//use if block to check value of d less than 0

cout<<"Equation has no real roots"<<endl;//print message

else

{

double r1=(-b+sqrt(numberOfReal()))/(2*a);//holding root value r1

double r2=(-b-sqrt(numberOfReal()))/(2*a);//holding root value r2

if(r1==r2)//defining if block to check r1 equal to r2

cout<<"Equation has one real root that is "<<r1<<endl;//print message with value

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}

void print()//defining a method print  

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int main()//defining main method  

{

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q.print();//calling print method

cout<<q.numberOfReal()<<endl;//calling method numberOfReal that prints its value

q.findroots();//calling method findroots

cout<<q.Evaluate(-1);//calling method Evaluate that prints its value

return 0;

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Output:

5x^2 + 6x + 1

16

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0

Explanation:

In the above code, a class "Quadratic" is declared, which is used to define a default and parameter constructor to holds its parameter value.

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and use a conditional statement to check its value, and in the print method, it prints the quadratic equation.

In the main method, the lass object it calls the parameterized constructor and other methods.

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