A population y(t) of fishes in a lake behaves according to the logistic law with a rate of growth per minute a = 0.003 and a limiting growth rate per minute b = 0.001. Moreover, 0.002 are leaving the lake every minute. 1.1
Write the dierential equation which is satisfied by y(t). Solve it when the initial population is of one million fishes.

1.2
Compute

1.3
How much time will it take to for the population to be of only 1000 fishes? What do you think about this model?

the answer is d

step-by-step explanation:

okay..i will pick 8!

(a) common ratio in the given sequence is, 3

(b) push ups will do kendall do on the 20th week

step-by-step explanation:

geometric sequence is a sequence of numbers that follows a pattern were the next term is found by multiplying by a constant called the common ratio(r)

(a)

given the sequence: 6 , 18 , 54 , 162 ,

this sequence is geometric sequence where each term is 3 times the previous term.

therefore,

common ratio(r) = 3.

(b)

a formula for nth term of geometric sequence is given by;

,   where r is the common ratio between the successive terms and is the first term,

to find how many push ups will kendall do on the 20th week.

here. n = 20th term.

in the given sequence first term

then;

simplify:

therefore, push ups will do kendall do on the 20th week