Answer:
Step-by-step explanation:
Area of trapezoid =
a, b - length of the parallel side
h - height
Answer:
(B)
Step-by-step explanation:
Volume of fluid in the tank =1000 gallons
Initial Amount of Salt in the tank, A(0)= 30 pounds
Incoming brine solution of concentration 2 pounds of salt per gallon is pumped in at a rate of 4 gallons per minute.
Rate In=(concentration of salt in inflow)(input rate of brine)
The resulting mixture is pumped out at the same rate, therefore:
Rate Out =(concentration of salt in outflow)(output rate of brine)
Therefore:
The rate of change of amount of salt in the tank,
Answer:
204 is the answer
Step-by-step explanation:
204 is the answer
Paki heart nalang po kung nakatulong
You were given the formula you need along with the radius of 4. Filling in that formula with the info provided and we have
. Simplifying, we have
. Doing the math on that gives us a volume of 267.9 inches cubed, third choice down.