If it takes 5 years for an animal population to double, how many years will it take until the population
1 answer:
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Answer:
7.92 years
Step-by-step explanation:
We want to find t such that ...
3 = 2^(t/5)
where 2^(t/5) is the annual multiplier when doubling time is 5 years.
Taking logs, we have ...
log(3) = (t/5)log(2)
t = 5·log(3)/log(2) ≈ 7.92 . . . years
It will take about 7.92 years for the population to triple.
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Answer:
7.4 is the answer
Step-by-step explanation:
2x+2y=12.........&
6x-2y=20.........$
&+$: 8x=32
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2*4+2y=12
y=4
