Answer:
The number of subscribers in 2008 is 110,845,988
Step-by-step explanation:
The number of cell phone subscribers in Arlington, in t years after 1985, can be modeled by the following equation.
And which N(0) is the number of subscribers in 1985 and r is the rate it increases per year, as a decimal.
In 1985, there were 285 cell phone subscribers in Arlington.
This means that
The number of subscribers increased by 75% per year since 1985.
This means that
So
Find the number of subscribers in 2008.
2008 is 2008-1985 = 23 years after 1985. So we have to find N(23).
The number of subscribers in 2008 is 110,845,988
Answer:
Step-by-step explanation:
3 - 13x - 7x^2 - (5x^2 + 12x - 10) =
3 - 13x - 7x^2 - 5x^2 - 12x + 10 =
- 12x^2 - 25x + 13 <===
45.67 + 17.96 = 63.63
100 - 63.63 = 36.37
Andrew should get back $36.37
351.3 you can use calculators you know lol