Answer:5m+3m=8m
Step-by-step explanation:All you had to do was combine like terms, the like terms are 5m and 3m, combine those two and you get 8m
Initially = 80 pounds
It triples every 2 hours
2 hours later = 3(80)
4 hours later = 3(3(80)))
6 hours later = 3(3(3(80)))
8 hours later = 3(3(3(3(3(80)))))
8 hours later =
x 80
8 hours later =
6480 (Answer C)
OR
We find the number of 2 hours period in that 8 hours
8 ÷ 2 = 4
It starts at 80 pounds
It tripes every 2 hours
Total algae =
x 80 =
6480 (Answer C)
Answer:
8%
Step-by-step explanation:
400/5000*100
0.08*100
8%
Add 12 to each side
so it should be C>8
Answer: Exercise
Step-by-step explanation:
By definition, independent variable (often denoted by x ) is a variable whose variation does not depend on that of another. In this case , exercising is independent.