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Ira Lisetskai [31]
2 years ago
13

. A large tank is partially filled with a solution. The tank has a faucet that allows solution to enter the tank at a rate of 3

16 4liters per minute. The tank also has a drain that allows the solution to leave the tank at a rate of 4 19 5liters per minute. (a) What expression represents the change in volume of solution in the tank in 1 minute? (b) What is the change in volume of the solution after 15 seconds? Show necessary work. (c) What does the change in volume after 15 seconds mean in the real world? Answer in complete sentences. please be helpful no links that there not helpful ok :)
Mathematics
1 answer:
Alla [95]2 years ago
7 0

Answer:

345645

Step-by-step explanation:

60 x 45

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Genrish500 [490]

Answer:

sweatshirts cost $42

t-shirts cost $18

Step-by-step explanation:

9x+3y=288

x+6y=270

substitute 270-6y for x in the first problem

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then plug y=42 into the second equation

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3 years ago
How much pure water must be mixed with 10 liters of a 25% acid solution to reduce it to a 10% acid solution?
kakasveta [241]
15 liters. that is the answer.
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3 years ago
Read 2 more answers
4x+7y=2<br> help . Pls.
solong [7]

Answer:

x = 2-7y over 4

Step-by-step explanation:

4x+7y=2

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x=2 - 7y/4


6 0
3 years ago
Jill has 200 movies downloaded on her phone. Of these movies 24 are comedies. What percent of Jills movies are comedies?
katen-ka-za [31]

Answer:

12%

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Step-by-step explanation:

24/200 x 100/1= 12%

7 0
3 years ago
For what value of x is this equation true? 10x−2(x+6)=52 10x−2(x+6)=52 A x=5 x=5 B x=5 3 4 x=534 C x=7 1 9 x=719 D x=8 x=8For wh
insens350 [35]

Answer:

x = 8

Step-by-step explanation:

10x - 2 (x + 6) = 52

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10 (8) - 2 (8 + 6) = 52

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7 0
3 years ago
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