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rosijanka [135]
3 years ago
9

Solve the following quadratic equation y=6x^2-12x+1

Computers and Technology
1 answer:
Tanya [424]3 years ago
4 0

x = 1 -   \frac{ \sqrt{6(y + 5)} }{6}
or
1 +  \frac{ \sqrt{6(y + 5)} }{6}
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Ask the user for a total food bill and then find the new total after 6% tax and a tip of the users choice (15, 18, 20%) in pytho
chubhunter [2.5K]

Answer:

#here is code in python.

# read the food bill

tot_bill=float(input("Please enter the food bill:"))

# tax on food

tax=0.06

#choice for tip by user

choice=int(input("enter your choice for tip:(1 for 15%, 2 for 18% and 3 for 20% :)"))

// calculate the total food bill

if choice==1:

   tot_food_bill=tot_bill+tot_bill*tax+tot_bill*(.15)

elif choice==2:

   tot_food_bill=tot_bill+tot_bill*tax+tot_bill*(.18)

elif choice==3:

   tot_food_bill=tot_bill+tot_bill*tax+tot_bill*(.2)

else:

   print("invalid choice:")

#print the total food bill

print("total food bill is ",tot_food_bill)    

Explanation:

Read the food bill from user and assign it to variable "tot_bill".Initialize the tax=0.06 (i.e. 6%) on the bill.Then ask user to give his choice for tip. if the choice is 1 then tip will be 15%, if 2 then 18% and if choice is 3 Then tip will be 20% of the bill.Calculate the total food bill and assign it to variable "tot_food_bill".

Output:

Please enter the food bill:100                                                                                                                                

enter your choice for tip:(1 for 15%, 2 for 18% and 3 for 20% :)2                                                                                            

total food bill is  124.0

3 0
3 years ago
Is this good enought to record and edit in 4k UHD? (Ultra High Definition)
vekshin1

Answer:

It should be, yes

Explanation:

5 0
3 years ago
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Some students are studying the amount of pollution in a river They are using a computer to measure the pollution level using sen
Tpy6a [65]

Answer:

optical sensors

Explanation:

optical sensors measure the amount of gases like carbon dioxide and carbon monoxide in the air

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2 years ago
A PC is not able to connect to a wired network. Pinging the loopback address is successful, but the gateway cannot be reached. O
tangare [24]
Usually that means a physical connection - so either a loose or faulty ethernet cord.
5 0
3 years ago
Write a program that reads numbers from the user until a blank line is entered. Your
ddd [48]

Answer:

nums = []

while True:

   in = input()

   if in:

       nums.append(in)

   else:

       break

if nums:

   avg = sum(nums) / len(nums)

   for i in range(len(nums)):

       if nums[i] == avg:

           print(f"index: {i+1}")

           print(nums[i])

else:

   print(-1)  # if there aren't any values in nums

Explanation:

Assuming that you are coding in Python 3x. The last 'else' statement is an edge case that you might want to consider, I don't know what you want to put there, but I'm just going to leave it as -1.

5 0
2 years ago
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