nathans fish tank holds 144 gallons of water. to clean the tank, he drains the water at a rate of 6 gallons per minute until the level is two-thirds its original level. how many minutes does it take to drain the tank for cleaning?

Answers

Answer 1

Answer: The tank is 144 gal and they wanna lower it to 2/3×144= 96 gal so the tank must drain 144-96= 48 gal
if the tank drains at 6 gal per minute then 48/6= 8 minutes

Answer 2

Answer: It would take 8 minutes to drain the tank 1/3

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A 120-watt light bulb uses about 0.1 kilowatt of electricity per hour. If electricity costs $0.20 per kilowatt hour, how much does it cost to have the bulb on for an hour?

Answers

There is no such thing as a "kilowatt per hour". If that's actually what the question says, then it's a defective question, and you should put it away before it makes you any more confused. A 120 watt light bulb uses exactly 0.12 kilowatt when it's turned on. In one hour, it uses (0.12 kilowatt) x (1 hour) = 0.12 kilowatt-hour of energy. If energy costs $0.20 per kilowatt-hour, then the cost is (0.12) x (0.20) = 2.4 cents. (0.024 dollar)

Dakota’s mom made two pies for Thanksgiving, a pumpkin pie and a pecan pie. The pictures show the remaining slices in each pie in gray. What portion of the pies did Dakota’s family eat on Thanksgiving?
A) 3/8

B) 5/8

C) 1 3/8

D) 1 1/2

Answers

The portion of the pies Dakota’s family ate on Thanksgiving is 5/8. Therefore, option B is the correct answer.

The given pictures show the remaining slices in each pie in gray.

What is the fraction?

In Mathematics, fractions are represented as a numerical value, which defines a part of a whole. A fraction can be a portion or section of any quantity out of a whole, where the whole can be any number, a specific value, or a thing.

Number of slice ate in pumpkin pie = 2/8

Number of slice ate in pecan pie = 3/8

Total number of slice pie ate

= 2/8+3/8

= 5/8

The portion of the pies Dakota’s family ate on Thanksgiving is 5/8. Therefore, option B is the correct answer.

To learn more about the fraction visit:

brainly.com/question/1301963.

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The answer is 1 3/8 because if they ate one whole pie if you put it together they only 3 out of the 8 Slices left in one pan.

If you flip a coin 5 times, what is the probability you will get heads all five times?

Answers

it might be 5:10, but i could be wrong.
i used 5 because thats the amount of times flipped, and 10 because there is two sides of a coin.

1. How many solutions are there for the equation? x2 + 16 = 8x (Points : 1) 2
1
0

Answers

$x^2 + 16 = 8x\n\nx^2-8x+16=0\n\nx^2-4x-4x+16=0\n\nx(x-4)-4(x-4)=0\n\n(x-4)(x-4)=0\n\n(x-4)^2=0\ \ \ \Leftrightarrow\ \ \ x-4=0\ \ \ \Leftrightarrow\ \ \ x=4\n\n Ans.\ One\ solution$

Every equation that has an ' x² ' in it has two solutions.

If it's a perfect square, then the solutions are equal, and they look like only 1.

Both solutions to this equation are [ x = 4 ] .

Plastic forks come in packs of 6.You need 40 forks for a party.How many packs of forks should you buy

Answers

Answer: 7 packs of forks

Explanation: 6 x 7 is 42. So you’ll have 40 forks for the party with 2 packs left over.

What does 3/10 + 16/100 equal?

Answers

the answer i have for you is 0.46

Okay so what you want to do is find the common factor okay? So the simplest one would be one hundred, so 3/10 *10 would be? Yes 30/100, and 16/100 just stays the same. So 30/100+16/100 is?46/100 if you wan to simplify it, 46/100 divided by two is 23/50. So yeah.

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