Answer:
72
Step-by-step explanation:
12 x 2 = 24
12 x 3 = 36
12 x 1 = 12
24+36+12 = 72
3 groups of 2 tenths is 1.5
y = 2x + -3
Step-by-step explanation:
Find an equation that........
Answer:
4
Step-by-step explanation:
(x)^2+(1/x)^2=18
(x-1/x)^2+2x.1/x=18
(x-1/x)^2+2=18
(x-1/x)^2=16
(x-1/x)^2=4^2
x-1/x=4
After 2 hours, there are 12 bacteria present.