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littlelyna2love
27.07.2019 •
Mathematics
A. in 2000, the population of a country was approximately 5.755.75 million and by 20282028 it is projected to grow to 88 million. use the exponential growth model upper a equals upper a 0 e superscript kta=a0ekt, in which t is the number of years after 2000 and upper a 0a0 is in millions, to find an exponential growth function that models the data. b.b. by which year will the population be 77 million?
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Ответ:
B. By which year will the population be 77 million?
To solve this we are going to use the exponential growth model:
where
A. We know for our problem that
Now that we have
We can conclude that the equation that models the data is:
B. We know for a our problem that
We can conclude that the population of the country will reach 77 million by July of 2026.
Ответ:
the fraction of the cars manufactured that were not boxcars is 12/103
Step-by-step explanation:
A company that manufactures cars for freight trains manufactured 309 cars in the month of August. 273 of the cars manufactured by the company were boxcars. It means that the number of manufactured cars that were not boxcars would be
309 - 273 = 36
Therefore, the fraction of the cars manufactured that were not boxcars would be
36/309 = 12/103