Answer:

Step-by-step explanation:
Data provided in the question:
Initial volume of water = 15 liters
Concentration of salt = 4 liters per minute
x be the amount of salt, in grams, in the fish tank after t minutes have elapsed
The unknown concentration of incoming brine c.
Now,
Salt concentration per minute = 
For x amount of salt = 
Therefore,

Answer:
y=-1/3x-2
Step-by-step explanation:
First off, lets outline that parallel lines have the <u>Same Slope</u>. So we can plug in -1/3 as our slope, or m.
Lets plug in -1/3 as our slope in Point Slope form to find the y intercept. Point slope form should be attached in an image below.
1) Plug slope and points into point slope form:
y+1=-1/3(x+3)
2) Distribute -1/3 to x and 3:
y+1=-1/3x-1
3) Subtract 1 from both sides:
y=-1/3x-2
Now we have our answer is slope intercept form!
Please let me know if you have any questions :)
Answer:
105 is your answer
Step-by-step explanation:
Let the two consecutive integers be: x , x + 1
Set the equation
x + x + 1 = 209
Simplify. Combine like terms.
(x + x) + 1 = 209
2x + 1 = 209
Isolate the x. Note the equal sign, what you do to one side, you do to the other.
Subtract 1 from both sides
2x + 1 (-1) = 209 (-1)
2x = 209 - 1
2x = 208
Isolate the x. Divide 2 from both sides
(2x)/2 = (208)/2
x = 208/2
x = 104
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Plug in 104 for x.
(x + 1) = (104) + 1 = 105
105 is your answer
~
Slope formula;
m = y2 - y1/ x2 - x1 (-2, -1), (3, 4)
m = 4 - (-1)/ 3 - (-2)
m = 5/5
m = 1
the slope is 1.
hope this helps, God bless!
Answer:
Y=-2.9x+120
Step-by-step explanation:
The most simple way to solve is plug any x value into each equation and see if it works