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brummy309506
10.01.2020 •
Mathematics
Aculture started with 1,000 bacteria. after 2 hours, it grew to 1,200 bacteria. predict how many bacteria. predict how many bacteria will be present after 13 hours.
-round your answer to the nearest whole number.
this is exponential growth.
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Ответ:
1200=1000r^2 divide both sides by 1000
1.2=r^2 take the square root of both sides
1.2^(1/2)=r so the equation is:
f=1000(1.2)^(t/2), so in 13 hours
f=1000(1.2)^(13/2)
f=1000(1.2)^(6.5)
f≈3271 bacteria (to the nearest whole number)
Ответ:
which qestion??
Step-by-step explanation:idk