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bcox32314
26.12.2019 •
Mathematics
Aculture started with 6,000 bacteria after 6 hours it grew to 7,200 bacteria predict how much it will grow in 17 hours
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Ответ:
Step-by-step explanation:
To perform this calculation we must use the exponential growth formula
The exponential growth formula is
Where
A is the main coefficient and represents the initial population of bacteria
e is the base
k is the growth rate
t is time in hours.
Let's call t = 0 to the initial hour.
At t = 0 the population of bacteria was 6000
Therefore we know that:
After t = 6 hours, the population of bacteria was 7200
Then
.
Now we use this data to find the variables a, and k.
Then:
Finally the function is:
After 17 hours:
So the population of bacteria after t=17 hours is:
Ответ:
r=0.03
A=9,991.7
Step-by-step explanation:
We will use the following formula to find the rate of growth:
Here,![A = 7200](/tpl/images/0433/9011/90e9f.png)
r=0.03
Now we will predict how many bacteria will be present after 17 hours using the same formula:
A=9,991.7
Ответ:
word form and unit form
Step-by-step explanation: