In 1985,there were 285 cell phone subscribers in the small town of centerville. The number of subscribers increased by 75% per year after 1985.How many cell phone subscribers were in centerville in 1994?

Therefore there were 43,872 cell phone subscribers in Centerville in 1994.

Step-by-step explanation:

Given that, in 1985 , the number of cell phone sub subscribers was 285 in the small town Centerville.

The number of subscribers increased by 75 % per year after 1985.

The number of subscribers increased per year, to find the number of subscriber we have to use compound formula.

Here A = ?

P= 285

r= 75%

n=(1994-1985) year= 9 year

        ≈43,872

Therefore there were 43,872 cell phone subscribers in Centerville in 1994.

2x^2+5x+17

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answer:

it is general formula that is used to write value to its excet position

a11 a12 a13

a21 a22 a23

it is the example of order 2 by 3 matrix in this

a11 means value occur in 1 st row 1st column

a12 means value occurs in 1st row 2nd column

a13 means value occur in 1st row and 3rd column

a21 means value occurs in 2nd row and 1st column

a22 means value occurs in 2nd row and in 2nd column

a23 means value occurs in 2nd row and in 3rd column