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Temka [501]
3 years ago
13

In 2007 the population of the town of Cartersville was 24,455. The population growth can be represented by the formula P = 24,45

5(1.03)x, where x represents the number of years after 2007. When will the population of the town first exceed 30,000?
Mathematics
2 answers:
Lady_Fox [76]3 years ago
7 0
You would multiple by 1.03 until you reach 30000.2017
RUDIKE [14]3 years ago
6 0
If P represents population, and x represents the number of years after 2007, then we need to set P to 30,000 and solve for x, then add that to 2007.  

30000 = 24455(1.03)x \Longleftrightarrow 30000 = 25188.65x

Now divide each side by 25188.65 to solve for x.  

x = 1.19

x represents the number of years since 2007, so to get a year value, we need to add 1.19 to 2007.

That gives you 2008.119.  We don't represent years with decimals, so the answer would be 2008.
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22. Perimeter = 52 units

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Step-by-step explanation:

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The formula for perimeter is

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A. By using rule of exponents , we can determine that both the results will be same.

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Miriam's calculation

\frac{2.8 \times 10^{9}}{1.4 \times 10^{4}}

\frac{2.8}{1.4} \times 10^{9-4}

2 \times 10^5

Priya's calculation

\frac{2.8 \times 10^{2}}{1.4 \times 10^{-3}}

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2 \times 10^5

Standard notation

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