Because 60 seconds= 1 minute and then 120 seconds=2 minutes, u multiply 10 ×12 to get to 120 seconds and then u multiply 4×12 which equals the answer which is 48.
Yo creo que es 25 no se por que pero esa es la respuesta
So
(x-4)^2=(x-4)(x-4)=x^2-4x-4x+16=x^2-8x+16
Some of the acid has dissociated
Hope this helps ;)
Answer:
9.5ft/min
Step-by-step explanation:
find the common difference between the numbers and divide if by the time.
in this case:
73.5-64=9.5
and the time is in one minute
so:
9.5/1