The answer is 7, 7 cds were purchased, hope this helps have a great day!
Ef=19, as given in the question.
Answer:
all of those answers are rational numbers
Step-by-step explanation:
Answer:
30e-0.12t
40e-0.18t
Step-by-step explanation:
Answer: 36 years
Step-by-step explanation:
Here, the current population of the animal is 1400,
And, the population of an endangered animal by 8% per year.
Also, Further suppose that when the population of this animal falls below 70, its extinction is inevitable.
Let after x years the population of animal falls below 70,
Therefore,
⇒
⇒
⇒
⇒
⇒x>35.9279739462
Thus, after 36 years( Approx) the population of the animal will be fall towards 70.