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rodikova [14]
2 years ago
10

5000

Mathematics
1 answer:
melisa1 [442]2 years ago
8 0

Answer:

can u ;ut it in english plzz

Step-by-step explanation:

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Paper and Pencil Construction: Construct a Line Perpendicular to a Given Line through a Point on the Line
Zarrin [17]

Step-by-step explanation:

wait a person was about to report it sorry ;/

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5 0
3 years ago
A tank contains 1000L of pure water. Brine that contains 0.02kg of salt per liter enters the tank at a rate of 5L/min. Also, bri
tankabanditka [31]

Answer:

51.877 kg

Step-by-step explanation:

a

See attachment for calculations

b

The amount of salt in the tank after 4 hours is gotten by simply replacing t in the equation from a, with 4 hours. Since the t gotten in a above is in minutes, we'd convert hours to minute as well. If we do that, we have

t = 4 hours = 4 * 60 minutes = 240 minutes

y = 160/3 (1 - e^((-3 * 240)/200))

y = 160/3 (1 - e^(-720/200))

y = 160/3 (1 - 0.0273)

y = 160/3 (0.9727)

y = 51.877 kg

Therefore, the amount of salt in the tank after 4 hours is 51.877 kg

3 0
3 years ago
Which of the following is the solution to |x-13|<18
serious [3.7K]

Rewrite the inequality without the absolute value

-18 < x - 13 < 18

Add 13 to the whole equation

-18 + 13 < x < 18 + 13

Simplify

<u>-5 < x < 31</u>

3 0
3 years ago
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two sides of a polygon are parallel line segments. what is the least number of sides the polygon could have?
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4 is the least the amount of sides the polygon can have
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2 years ago
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PLEASE HELP ME!
9966 [12]

Answer:

it's C

Step-by-step explanation:


5 0
3 years ago
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