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TheGingerDevl7762
23.07.2021 •
Mathematics
The population of a strain of bacteria doubles in a culture. At noon there were 80 bacteria present and by 4:00 PM there were 20 480 bacteria. Determine algebraically the doubling period. Hint: You DO NOT need to use systematic trials.
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Ответ:
t = 1/2 hour
Step-by-step explanation:
20480 = 80![x^{t }](/tpl/images/1398/7045/21e08.png)
20480 = 80![x^{4 }](/tpl/images/1398/7045/d9692.png)
20480/80 =![x^{4 }](/tpl/images/1398/7045/d9692.png)
256 =![x^{4 }](/tpl/images/1398/7045/d9692.png)
x = 4
doubling period
2 =![4^{t}](/tpl/images/1398/7045/93cd4.png)
t = 1/2 hour
Ответ:
Image 3
Step-by-step explanation:
It is the image with 8 as the base and 11 as the height.
A right triangle is shown. The length of one side is 8, and another is 11.