josephv80
26.07.2019 •
Mathematics
Apopulation of 200 animals is decreasing by 4% per year. at this rate, in how many years will the population be less than 170?
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Ответ:
In the question , it is given that the population is decreasing by 4% per year .
So we have to use the following formula of exponential decay:
Substituting the given values, we will get
Dividing both sides by 200
Taking log on both sides
Dividing both sides by log(0.96)
t = approx 4 years
So after 4 years , the population will be less than 170.
Ответ:
D
Step-by-step explanation:
A system of equations with no solution means the lines are parallel and never intersect.
The only graph showing a possible set of parallel lines is D