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Mandarinka [93]
3 years ago
14

Town A currently has 10,000 people in the population is growing by 1000 people per year. Town B currently has 9000 people in the

population is growing by 10% per year. After how many years will town B first have more people than town A?
A.5 years
B.6 years
C.7 years
D.8 years
Mathematics
1 answer:
ch4aika [34]3 years ago
8 0

Answer:

7 years

hope i helped

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Answer:

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Step-by-step explanation:

The terms of the sequence are:

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We can rewrite the terms in factored form to get;

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We can see that the subsequent terms are obtained by multiplying the previous term by -2x. This is called the common ratio.

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The nth term of a geometric sequence is given by: a_n=a_1(r^{n-1}).

Let us substitute the first term, the common ratio, and n=8 to obtain:

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