Answer:
If is the amount of salt in the tank at time , then the rate at which the amount of salt in the tank changes is given by
Let's drop the units for now. We have
We're given that the water is pure at the start, so , giving
So the amount of salt in the tank (in lbs) at time is
Step-by-step explanation:
-3(-x)-6=-3x+10
-3 -3
(-x)-6=-3x+7
-6 -6
(-x)=-3x+1
i only got this far!! im so sorry!!
Answer:






hope this helps
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good luck! have a nice day!
Answer:
Step-by-step explanation:
Density = mass/volume
Mass = 280g, volume = 40cm^3
Density = 280/40
Density = 7g/cubic cm
Answer:
3g+20
Step-by-step explanation:
Because Milena wants to have 3 cups per each guest and then she wants an additional 20 more.