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iris [78.8K]
3 years ago
14

By issuing concert tickets on the blockchain, fans can verify transfer of ownership from one digital wallet to another, rather t

han worrying whether the PDF (or paper) ticket they received was sold to 10 other people. This is an example of how blockchain solves the problem. a) inflation b) double-cross c) double-spend d) benchmark
Computers and Technology
1 answer:
alekssr [168]3 years ago
5 0

Answer:

c) double-spend

Explanation:

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Your task is to build a palindrome from an input string.A palindrome is a word that readsthe same backward or forward. Your code
White raven [17]

Answer:

The program in Python is as follows:

word = input("Word: ")

if len(word) < 5:

   print("At least 5 characters")

else:

   pal = word[0:5]

   word = word[0:4]

   word = word[::-1]

   pal+=word

   print(pal)

Explanation:

This gets the word from the user

word = input("Word: ")

This checks if the length of the word is less than 5.

if len(word) < 5:

If yes, this tells the user that at least 5 characters is needed

   print("At least 5 characters")

If otherwise

else:

This extracts the first 5 characters of the word into variable named pal

   pal = word[0:5]

This extracts the first 5 characters of the word into variable named word

   word = word[0:4]

This reverses variable word

   word = word[::-1]

This concatenates pal and word

   pal+=word

This prints the generated palindrome

   print(pal)

7 0
3 years ago
Description:
Nastasia [14]

Answer:

The programming language is not stated (I'll answer using C++)

#include <iostream>

using namespace std;

int convert(float miles)

{

   return miles * 5280;

}

int main() {

   cout<<"Console:"<<endl;

   cout<<"Hike Calculator"<<endl;

   float miles;

   char response;

   cout<<"How many miles did you walk?. ";

   cin>>miles;

   cout<<"You walked "<<convert(miles)<<" feet"<<endl;

   cout<<"Continue? (y/n): ";

   cin>>response;

   while(response == 'y')

   {

   cout<<"How many miles did you walk?. ";

   cin>>miles;

   cout<<"You walked "<<convert(miles)<<" feet"<<endl;

   cout<<"Continue? (y/n): ";

   cin>>response;

   }

   cout<<"Bye!";

   return 0;

}

Explanation:

Here, I'll explain some difficult lines (one after the other)

The italicized represents the function that returns the number of feet

<em>int convert(float miles) </em>

<em>{ </em>

<em>    return miles * 5280; </em>

<em>} </em>

The main method starts here

int main() {

The next two lines gives an info about the program

   cout<<"Console:"<<endl;

   cout<<"Hike Calculator"<<endl;

   float miles;

   char response;

This line prompts user for number of miles

   cout<<"How many miles did you walk?. ";

   cin>>miles;

This line calls the function that converts miles to feet and prints the feet equivalent of miles

   cout<<"You walked "<<convert(miles)<<" feet"<<endl;

This line prompts user for another conversion

   cout<<"Continue? (y/n): ";

   cin>>response;

This is an iteration that repeats its execution as long as user continue input y as response

<em>    while(response == 'y') </em>

<em>    { </em>

<em>    cout<<"How many miles did you walk?. "; </em>

<em>    cin>>miles; </em>

<em>    cout<<"You walked "<<convert(miles)<<" feet"<<endl; </em>

<em>    cout<<"Continue? (y/n): "; </em>

<em>    cin>>response; </em>

<em>    } </em>

   cout<<"Bye!";

8 0
3 years ago
What do economists call a decline in the real GDP combined with a temporary rise in price level?
ad-work [718]
A <span>stagflation is my answer.</span>
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3 years ago
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Consider the following four 2-dimensional data points: (2, 2), (4, 4), (1, 5) and (5, 1). We can make use of the KL-Transform to
trasher [3.6K]

Answer:

pootis

Explanation:

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3 years ago
Make a hierarchical directory structure under /root that consists of one directory containing three subdirectories.
Alika [10]
You can make a hierarchical directory structure under /root that consists of one directory containing subdirectories  by using cd and mkdir
the mkdir command created the directories while the cd command changes which directory you're currently in
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