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SpyIntel [72]
2 years ago
15

Help please I don’t know how anyone understands this

Mathematics
2 answers:
Natalija [7]2 years ago
8 0

lol it's so hard I can't proses

DochEvi [55]2 years ago
5 0
Pretty sure it’s…
1) 3rd one
2) 1st one
3) 2nd one
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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
astraxan [27]
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

2) 1000 liters - 313.865 liters = 613.135 liters

Answer: 613.135 liters



 

3 0
3 years ago
Select the ordered pairs that are solutions to the inequality 2x-3y greater than or equal to 12
Dima020 [189]
Just rank every pair of numbers for example:
The first one is: 1,-3.
2•1-3•-3>12
2+9>12
11>12
That's Incorrect. The first pair of numbers doesn't match the inequality.
Now do the same thing to all the other pairs of numbers.
3 0
3 years ago
Read 2 more answers
6.7 times 10^-5 in standard form
alexdok [17]

Answer:

daw

Step-by-step explanation:

8 0
3 years ago
Subtract. (11x2+3x−9)−(2x2+2x+7)
Alexeev081 [22]

Answer:

-267

Step-by-step explanation:

this is because 11 ×2=22,22+3=25,25×-9= -225 and then the other bracket when I solved I had 42 and so -225-42 = -267

4 0
2 years ago
4ln x -8=12 its giving me other equations
kogti [31]

The solution of the given logarithmic equation is x = 28.1

<h3>How to solve the logarithmic equation?</h3>

Here we have the logarithmic equation:

4*ln(x - 8) = 12

And we want to solve this for x.

Remember the relations:

ln(e^x) = x\\e^{ln(x)} = x

First, we divide both sides by 4:

ln(x - 8) = 12/4 = 3

Then, if we apply the exponential equation to both sides of our equation, we get:

e^{ln(x - 8)} = e^{3}\\\\x - 8 = e^3\\\\x = e^3 + 8 = 28.1

If you want to learn more about logarithmic equations:

brainly.com/question/236421

#SPJ1

8 0
1 year ago
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