6. The number of bacteria N in a culture is given by the model N(t) = 250e 0.0156 where t is the time in hours. Find how many hours it takes for the original population to double. Round your answer to the nearest hundredth
of an hour.

i just need to know how to work this out!! please help

t ≈ 44.43 hours

Step-by-step explanation:

Expression that models the population of a bacteria after time 't' is,

N(t) =

Here initial population = 250

And N(t) = Population after 't' hours

t = duration

We have to find the duration in which bacterial population gets doubled.

N(t) = 2×250 = 500

From the given expression,

500 =

0.0156t[ln(e)] = 0.693147

0.0156t = 0.693147

t =

t = 44.432

t ≈ 44.43 hours

b

step-by-step explanation:

u take $75 minus $60.the anwer/original($75)multiply by 100

22.83 repeating

step-by-step explanation:

137 ÷ 6 is 22.8333333 therefore we understand that 3 is repeating.

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