Answer:
<h2>D.
240 strands of bacteria</h2>
Step-by-step explanation:
Given a population culture modeled by the equation P(t) = 15(2)^t/4,
If the population culture begins with 15 strands of bacteria, at t = 0sec, P(t) = 15
if the population doubles after 4hours, this means a t = 4hrs, P(t) =2 * 15 = 30strands
We are to get P(t) when t = 16hours. Substituting t = 16 into the modeled equation we have;
P(16) = 15(2)^16/4
P(16) = 15(2)^4
P(16) = 15(16)
P(16) = 240 strands of bacteria.
The correct answer is 5 and 31/50 reduced
Answer:
r = C / (2pie)
Step-by-step explanation:
C = 2pie x r
divide both sides by 2pie to isolate r
C / (2pie) = r
r = C / (2pie)