4y=7x
The sum of the numbers is 22
so, x+y=22
x=(22-y)
by substitute (22-y) for x in the first equation.
Huh english is this spanish !
Answer:
800
Step-by-step explanation:
if you look at the graph and go where t=2 you see that it will have 800 bacteria at two hours
Answer:
x=4
Step-by-step explanation:
all you need to do is the 3rd root of 64
which is 4.
