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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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What is the inverse function of d(x ) = -2x - 6?
PtichkaEL [24]

Answer:

-\frac{x}{2} - 3

Explanation:

d(x) = -2x - 6

to find the inverse of a function, you need to follow these steps:

1. set d(x) = y

2. interchange the variables, so y becomes x and x becomes y

3. solve the equation for y

<u>step 1:</u> set d(x) = y

y = -2x -6

<u>step 2:</u> interchanging the variables

y = -2x - 6 turns into x = -2y - 6

<u>step 3:</u> solving for y

x = -2y - 6 < add 6 to both sides to get rid of it on the right

x + 6 = -2y < divide both sides by -2 to get y alone

x + 6 / -2 = -\frac{x}{2} - 3

-2y / -2 = y

-\frac{x}{2} - 3 = y

so the inverse of the function is -\frac{x}{2} - 3

7 0
3 years ago
Write a program that generates 1,000 random integers between 0 and 9 and displays the count for each number. (Hint: Use a list o
masya89 [10]

Answer:

import random

count0, count1, count2, count3,

count4, count5, count6, count7,

count8, count9, i = [0 for _ in range(11)]

while i < 1000:

   number = random.randint(0,9)

   if number == 0:

       count0 = count0 + 1

   if number == 1:

       count1 = count1 + 1

   if number == 2:

       count2 = count2 + 1

   if number == 3:

       count3 = count3 + 1

   if number == 4:

       count4 = count4 + 1

   if number == 0:

       count5 = count5 + 1

   if number == 6:

       count6 = count6 + 1

   if number == 7:

       count7 = count7 + 1

   if number == 0:

       count8 = count8 + 1

   if number == 9:

       count9 = count9 + 1

   

   i = i+1

print("0's: "+ str(count0) + "\n"+ "1's: "+ str(count1) + "\n"+

"2's: "+ str(count2) + "\n"+ "3's: "+ str(count3) + "\n"+

"4's: "+ str(count4) + "\n"+ "5's: "+ str(count5) + "\n"+

"6's: "+ str(count6) + "\n"+ "7's: "+ str(count7) + "\n"+

"8's: "+ str(count8) + "\n"+ "9's: "+ str(count9) + "\n")

Explanation:

- Initialize variables to hold the count for each number

- Initialize <em>i</em> to control the while loop

- Inside the while loop, check for the numbers and increment the count values when matched.

- Print the result

5 0
3 years ago
Problem 1 Calculating the tip when you go to a restaurant is not difficult, but your restaurant wants to suggest a tip according
DIA [1.3K]

Answer:

bill = float(input("Enter the bill amount: "))

rating = int(input("Choose a rating: 1 = Totally satisfied, 2 = Satisfied, 3 = Dissatisfied.: "))

if rating is 1:

   tip = bill * 0.2

elif rating is 2:

   tip = bill * 0.15

elif rating is 3:

   tip = bill * 0.1

print("The rating is: " + str(rating))

print("The tip is: $%.2f" % (tip))

Explanation:

*The code is in Python

- Ask the user for the <em>bill</em> and <em>rating</em>

- Depending on the <em>rating</em>, calculate the <em>tip</em> using <u>if else</u> statement i.e. If the rating is chosen as 1, calculate the tip by taking 20 percent of the bill.

- Print the <em>rating</em> and the <em>tip</em>

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3 years ago
FOR ALL PLATO USERS:
aleksley [76]

You have to ask you teacher to show you which ones you got wrong and the answers to them.

6 0
3 years ago
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What language do the Vikings speak in the game " For Honor"?
aivan3 [116]
In the game the Vikings speak icelandic
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