First, factor out h so the equation can be h(b+r)=25 then divide by b+r so h= 25/b+r
Area= length times width. 10×6 is 60. Answer is 60 cm^2
Answer:
x= 3 so it should be 22 but thats not an option....
Step-by-step explanation:
Answer:
I need to see the points. However the numbers:
-2, -3, -4 will work.
Step-by-step explanation:
The volume of the gallon is 6000 gallon
the rate of water flow per min is f(t)=300t^2
a] amount of water that flowed in the first 7 minutes=7/60 hours will be:
f(7)=300(7/60)^2
solving the above we get
f(7)=7/12 gallons
b] The time taken for the tank to be empty will be as follows:
amount of water that will flow out for the tank to be empty will be 6000 gallons
thus,
6000=300t^2
this can be simplified to
20=t^2
t^2-20=0
solving this we get:
t=-2√5 or 2√5
the time taken for the tank to be empty will be t=2√5 hours=5.4721 hours
