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Ymorist [56]
2 years ago
14

Can someone PLEASE HELP!!!!!!!!!!!

Mathematics
1 answer:
Nina [5.8K]2 years ago
8 0

Answer:

second one

Step-by-step explanation:

on the 2 , it is painted by black which means x is equal to or smaller than. 2. ( x<_2). And the line is going to the left side ( negative ). Negative numbers are smaller than whole numbers. Also on the -3, the circle is not painted which means x is bigger than -3.

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Water is pumped out of a holding tank at a rate of 6-6e^-0.13t liters/minute, where t is in minutes since the pump is started. I
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Procedure:

1) Integrate the function, from t =0 to t = 60 minutues to obtain the number of liters pumped out in the entire interval, and

2) Substract the result from the initial content of the tank (1000 liters).

Hands on:

Integral of (6 - 6e^-0.13t) dt  ]from t =0 to t = 60 min =

= 6t + 6 e^-0.13t / 0.13 = 6t + 46.1538 e^-0.13t ] from t =0 to t = 60 min =

6*60 + 46.1538 e^(-0.13*60) - 0 - 46.1538 = 360 + 0.01891 - 46.1538 = 313.865 liters

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Answer: 613.135 liters



 

3 0
3 years ago
Which expression is equivalent to (x^1/2y^16)^1/2
Irina-Kira [14]
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I don't really know how to explain it, but this is the answer
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What is the mixed number form<br> of 33/8
goblinko [34]
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4 0
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Annie spent $20.02 at the post office. She bought 2 times as many 32-cent stamps as 13-cent stamps. How many of each did she buy
ivolga24 [154]

Answer:

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2 years ago
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3 years ago
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