Population y grows according to the equation dy/dt = ky, where is a constant and t is measured in years. Of the population doubles every ten years, then the value of k is ?

Brennan Flores

Brennan Flores

Answered question

2021-01-27

Population y grows according to the equation dydt=ky, where is k - constant and t is measured in years. Of the population doubles every ten years, then the value of k is ?

Answer & Explanation

Nathaniel Kramer

Nathaniel Kramer

Skilled2021-01-28Added 78 answers

The population growth can be measured as : x(1+r)
So if it doubles every ten years:
2x=x(1+r)
2=(1+r)
ln2=10ln(1+r)
110ln2=ln(1+r)
ln(1+r)=k
k=110ln2=0.0693

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