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Gnesinka [82]
3 years ago
13

Select the correct text in the passage.

Computers and Technology
1 answer:
sergejj [24]3 years ago
5 0

Answer:

2. Scientists use seismometers to measure the earthquake activity that occurs beneath a volcano. They then predict the eruption of that volcano.

Explanation:

The options are:

1. Before a volcano erupts, earthquake activity beneath the volcano decreases.2. Scientists use seismometers to measure the earthquake activity that occurs beneath a volcano. They then predict the eruption of that volcano.3. When a volcano erupts, the amount of carbon dioxide and sulfur dioxide emitted decreases. 4.Scientists measure the amount of these gases to determine the amount of magma present in the volcanic reservoir.

The answer is certainly 2. as seismometers are being used to find out the details of the earthquake activities which occur inside a volcano. And with this information, the volcanologists then predict the eruption of that particular volcano. Hence, the 2nd option does not have any factual errors, and all the others have factual errors.

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What chage command should you enter at the comman prompt to set the password to jsmith expire after 60 days and gives a warning
Nat2105 [25]

Answer:

chage -M 60 -W 10 jsmith

Explanation:

The command chage -M 60 -W 10 jsmith is used to set the password to jsmith so that it will expires after 60 days and this command will also gives the warning 10 days prior to the expiration of the password.This command is for command prompt.We can also change the expiration and warning by changing the integers in the command respectively.

3 0
4 years ago
Python: Write a program for a small restaurant that sells pizzas. You may consider it as a prototype of a realistic online appli
katrin2010 [14]

Answer:

Name: tyler

Number of pizzas: 2

Small (10 inch, $7.95), Medium (12 inch, $9.95), and Large (14 inch, $11.95)

Pizza size: large

Available toppings: Ham, Mushrooms, Onions, Green Peppers, Black Olives, Tomatoes, Pineapple, Spinach

$0.75 each for Small Pizza, $0.95 each for Medium Pizza, and $1.15 each for Large Pizza

Number of toppings: 2

Enter topping number 1: ham

Enter topping number 2: onions

Order Summary:  

Customer Name: tyler

2 large pizzas with ['ham', 'onions']        

Subtotal | Sales Tax (6%) | Total Cost        

26.2 | 1.5719999999999998 | 27.772

Explanation:

name = input("Name: ")

num_pizzas = int(input("Number of pizzas: "))

print("Small (10 inch, $7.95), Medium (12 inch, $9.95), and Large (14 inch, $11.95)")

pizza_size = input("Pizza size: ").lower()

print("Available toppings: Ham, Mushrooms, Onions, Green Peppers, Black Olives, Tomatoes, Pineapple, Spinach")

print("$0.75 each for Small Pizza, $0.95 each for Medium Pizza, and $1.15 each for Large Pizza")

num_toppings = int(input("Number of toppings: "))

toppings = []

subtotal = 0

tax = 0

total = 0

for i in range(1,num_toppings + 1):

   toppings.append(input(f"Enter topping number {i}: "))

if pizza_size == 'small':

   subtotal += num_pizzas * 7.95

   subtotal += num_toppings * 0.75

   tax += subtotal * 0.06

   total += subtotal + tax

   print("Order Summary: ")

   print(f"Customer Name: {name}")

   print(f"{num_pizzas} {pizza_size} pizzas with {toppings}")

   print("Subtotal | Sales Tax (6%) | Total Cost")

   print(f"{subtotal} | {tax} | {total}")

if pizza_size == 'medium':

   subtotal += num_pizzas * 9.95

   subtotal += num_toppings * 0.95

   tax += subtotal * 0.06

   total += subtotal + tax

   print("Order Summary: ")

   print(f"Customer Name: {name}")

   print(f"{num_pizzas} {pizza_size} pizzas with {toppings}")

   print("Subtotal | Sales Tax (6%) | Total Cost")

   print(f"{subtotal} | {tax} | {total}")

if pizza_size == 'large':

   subtotal += num_pizzas * 11.95

   subtotal += num_toppings * 1.15

   tax += subtotal * 0.06

   total += subtotal + tax

   print("Order Summary: ")

   print(f"Customer Name: {name}")

   print(f"{num_pizzas} {pizza_size} pizzas with {toppings}")

   print("Subtotal | Sales Tax (6%) | Total Cost")

   print(f"{subtotal} | {tax} | {total}")

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Answer:

0

1

2

3

4

5

Explanation:

The loop first prints when n is still 0, so 0 is in the list.

The loop still executes when n = 5, so 5 must also be in the list.

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