Atype of bacterium triples in population every hour. assuming you start with
80 bacteria, the formula that models the number of bacteria at the beginning
of hour n is:
a(n) = 80x3^n-1
how many bacteria will there be at the beginning of hour 5?

a. 19,440
b. 720
c. 6480
d. 1200

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.

Using only odd number for numerators write two different subtraction problems that have a difference of 3/4