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Elan Coil [88]
3 years ago
11

A tank contains 100 kg of salt and 2000 L of water. A solution of a concentration 0.025 kg of salt per liter enters a tank at th

e rate 8 L/min. The solution is mixed and drains from the tank at the same rate.
Required:
a. What is the concentration of our solution in the tank initially?
b. Find the amount of salt in the tank after 4.5 hours.
c. Find the concentration of salt in the solution in the tank as time approaches infinity.
Mathematics
1 answer:
yawa3891 [41]3 years ago
5 0

Answer:

Like yeah right

Step-by-step explanation:

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Which equation has x=4 as the solution
dedylja [7]

Answer:

are you looking for example?

Step-by-step explanation:

If so,

 X + 3 = 7

4 0
3 years ago
3y - 5z = -23
leonid [27]
Starting off, we can multiply the third equation by 2 and add it to the third to get rid of both the x and y variables. Next, we get z=1. Plugging that into 3y-5z=-23, we get 3y-5=-23. Adding 5 to both sides, we get 3y=-18. After that, we can divide both sides by 3 to get y=-6. Plugging that into -2x-y-z=-3, we get -2x+6-1=-3=-2x+5. Subtracting 5x from both sides, we get -2x=-8. After that, we can divide both sides by -2 to get x=4.
8 0
4 years ago
Please help!!<br>show work!!<br>please!!
Advocard [28]
\frac{1}{1} *  \frac{1}{3} would work. 
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3 years ago
HELP NEEDED IMMEDIATELY
VMariaS [17]

Answer:

Step-by-step explanation:

B:Convert the fractional part only then add it to the whole number.

C :  9 1/2,3π,92/5,91/10

B : √26,5.5,5.8,31/5

B: -7,20/3, 7.1 ,√51 , 6π

C: -π , -√5 , -3/2,-1.03

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Please help ASAP?!!!!
ra1l [238]
It is C prob i need point lol i’m sorry
4 0
3 years ago
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