I am sure that This one would be c
You have to make the percent a decimal by moving the decimal to the left twice. then you need to multiply the other number.
Answer:
1
1 is the only integer that can go into 5 as 5 is a prime number
Keisha drank the average amount of water 1 of the days.
if he drinks 1 quart, his average is 21/13.
2.) dT/dt = -t^2 + 3t
dT = (-t^2 + 3t)dt
T = -t^3/3 + 3t^2/2 + C
at 4:00 AM
80 = -4^3/3 + 3*4^2/2 + C
C = 80 + 4^3/3 - 3*4^2/2
C = 77.33
T = -t^3/3 + 3t^2/2 + 77.33
at 8:00 AM
T = -8^3/3 + 3*8^2/2 + 77.33
T = 2.67 deg
