In 2010, a city population was 55,210 and it was declining at a rate of 1.09 each year. What is the best prediction for when the
2 answers:
Answer:
The city population will first be below 48,000 in the year:
2022
Step-by-step explanation:
It is given that:
In 2010, a city population was 55,210
in 2011 the city population will be
(100-1.09)×55210/100=98.91×55210/100
= 0.9891×55210
in 2012 the city population will be
0.9891×0.9891×55210
we have to find number of years t such that
i.e. the thirteen years from 2010 we will have city population less than 48000
i.e. in the year 2022
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Step-by-step explanation:
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Required
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First, the proportion of those who do not worry, has to be calculated;
Represent this with q
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Now, the mean can be calculated using:
Where n represents the population
(Approximated)
Answer:
The question would've given you to what number you should round up your answer.
Answer is:
Whole number:
63%
1 decimal place:
63.3%
2 decimal places:
63.33%
Exact number:
%
Step-by-step explanation:
So the starting no. = 30
Ending no. = 11
In order to evaluate the percentage of decrease we:
(Ending number/starting number) * 100
So:
%
To find the Decrease percentage:
100 % - 110/3 %
= 63.333%