hannahkharel2

20.10.2020 • 

Mathematics

A biologist grows a culture of bacteria as part of an experiment. At the start of the experiment, there are
75 bacteria in the culture. The biologist observes that
the population of bacteria doubles every 18 minutes.
Which of the following equations best models the
number, », of bacteria + hours after the start of the
experiment?

Ответ:

ri069027

28.12.2021

Mathematics

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Part A:4m + 12 + 20m

2 (2m + 6 + 10m)

Part B: 2 (2m + 6 + 10m) = 4(m + 3 + 5m)

4m + 12 + 20m = 4m + 12 + 20m

24m + 12 = 24m + 12

Part C: if m equals 2,

4(m + 3 + 5m)

compile it down

4(2 + 3 + 5 x 2)

4(5 + 5 x 2)

4(10 x 2)

4(20)

4 times 20

80

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