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nikdorinn [45]
3 years ago
12

350 square feet requires 1 gallon of paint. Assign gallons_paint with the amount of paint required for wall_area. Sample output

for the given program:
250.0 square feet wall will need:
0.714285714286 gallons of paint
Computers and Technology
1 answer:
Marina CMI [18]3 years ago
4 0
Here's a solution in node.js. Can be easily transcribed to other languages:

var paint_per_sqf = 1/350;
var wall_area = 250.0;
var gallons_paint = wall_area * paint_per_sqf;

console.log(wall_area.toFixed(1) + " square feet wall will need:");
console.log(gallons_paint.toFixed(12) + " gallons of paint");


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Every preprocessing directive must begin with:
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Answer:

B. #

Explanation:

Every preprocessing directive must begin with the # character.

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As we can see each of the directives begins with the # character. This is a signal to the preprocessor to interpret the subsequent keyword as a directive.

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3 years ago
Ellen is expecting to get a 3% raise next year. She enters .03 in cell D2 so that she can predict her monthly income for the nex
Korolek [52]

Answer: F4

Explanation:

Absolute reference means that we can use a formula for a cell in a Excel and that formula for that particular cell will not be changed even if we copy or drag that formula to some part of the cell.

Excel offers us with the solution of applying formulas to different part of the cells which are indicated by the $ sign. So as in the question Ellen as she is expecting a 3% raise net year in her monthly column, So she can use absolute reference. She enters .03 which is 3 divided by 100 in the monthly income column. So in that column she has to type = for the formula to begin. Then the formula which is .03 and followed by F4 which is used to make the cell D2 absolute reference.

So next time upon referencing cell D2, we would get the value according to the formula.

3 0
3 years ago
A palindrome is a string that reads the same from left to right and from right to left. Design an algorithm to find the minimum
stepladder [879]

Answer:

Explanation:

The following code is written in Python. It is a recursive function that tests the first and last character of the word and keeps checking to see if each change would create the palindrome. Finally, printing out the minimum number needed to create the palindrome.

import sys

def numOfSwitches(word, start, end):

   if (start > end):

       return sys.maxsize

   if (start == end):

       return 0

   if (start == end - 1):

       if (word[start] == word[end]):

           return 0

       else:

           return 1

   if (word[start] == word[end]):

       return numOfSwitches(word, start + 1, end - 1)

   else:

       return (min(numOfSwitches(word, start, end - 1),

                   numOfSwitches(word, start + 1, end)) + 1)

word = input("Enter a Word: ")

start = 0

end = len(word)-1

print("Number of switches required for palindrome: " + str(numOfSwitches(word, start, end)))

3 0
3 years ago
Write a class called SimpleSquare that has the following properties: - public int field called num - private int field called sq
mezya [45]

Answer:

public class SimpleSquare{

   public int num;

   private int square;

   

   public SimpleSquare(int number){

       num = number;

       square = number * number;

   }

   

   public int getSquare(){

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   }    

}

Explanation:

*The code is in Java.

Create a class called SimpleSquare

Declare two fields, num and square

Create a constructor that takes an integer number as a parameter, sets the num and sets the square as number * number.

Since the square is a private field, I also added the getSquare() method which returns the value of the square.

6 0
3 years ago
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