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Semmy [17]
3 years ago
7

A reputable, world-renowned auction house uses blockchain to verify the authenticity of paintings prior to placing them up for s

ale. The records that are stored on the various distributed ledgers for each painting include the artist’s credentials, history of ownership, appraisal values, and previous purchase price. Paula would like to make an offer on a painting. After reviewing the distributed ledgers for the painting, why can Paula purchase the painting with confidence?
Computers and Technology
1 answer:
REY [17]3 years ago
6 0

Answer:

The ledgers are secure, shared, and incorruptible is the correct answer.

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3) Write a program named Full_XmasTree using a nested for loop that will generate the exact output. This program MUST use (ONLY)
N76 [4]

Answer:

Following are the code to this question:

//import package

import java.util.*;  

public class Full_XmasTree   //defining class

{        

// defining main method

public static void main(String as[])  

   {  

       int X,a,b; //defining integer variable

       Scanner obx = new Scanner(System.in); // creating Scanner class object

       System.out.print("Please enter: "); //print message

       X = obx.nextInt(); // input value from user

       for (a = 0; a < X; a++) //defining loop to print pattern  

       {

           for (b = X - a; b > 1; b--)//use loop for print white space  

           {

           System.out.print(" ");//print space

           }

           for (b = 0; b <= a; b++) // use loop to print values  

           {

               System.out.print("* "); //print asterisk values

           }

           System.out.println(); //using print method for new line

       }

   }

}

Output:

please find the attachment.

Explanation:

In the given java code, a class "Full_XmasTree" is declared, in which the main method is declared, inside this method three integer variable "X, a, and b", in this variables "a and b" is used in a loop, and variable X is used for user input.

  • In the next line, the Scanner class object is created, which takes input in variable X, and for loop is used to print asterisk triangle.
  • In the first for loop, use variable a to count from user input value, inside the loop, two for loop is used, in which first is used to print white space and second is used for the print pattern.

8 0
3 years ago
A customer comes into a grocery store and buys 8 items. Write a PYTHON program that prompts the user for the name of the item AN
Dmitrij [34]

Answer:

name = []

price = []

for i in range(0,8):

item_name = input('name of item')

item_price = input('price of item')

name.append(item_name)

price.append(item_price)

for i in range(0, 8):

print(name[i], '_____', price[i])

Explanation:

Python code

Using the snippet Given :

Apples 2.10

Hamburger 3.25

Milk 3.49

Sugar 1.99

Bread 1.76

Deli Turkey 7.99

Pickles 3.42

Butter 2.79

name = []

price = []

#name and price are two empty lists

for i in range(0,8):

#Allows users to enter 8 different item and price choices

item_name = input('name of item')

item_price = input('price of item')

#user inputs the various item names and prices

#appends each input to the empty list

name.append(item_name)

price.append(item_price)

for i in range(0, 8):

print(name[i], '_____', price[i])

# this prints the name and prices of each item from the list.

3 0
3 years ago
What dose a bios system do?
ANTONII [103]
BIOS instructs the computer on how to preform basic functions such as booting and keyboard control. It is also used to identify and configure the hardware in a computer
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How to you compute for the total room sales​
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Answer:

[checking question] - Error:

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3 years ago
Where can I learn how to make my own video game for free?
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Game’s top rack not top pop
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