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pychu [463]
2 years ago
9

(9,11)(9,3) find the slope and explain please

Mathematics
1 answer:
12345 [234]2 years ago
6 0

Answer:

0

Step-by-step explanation:

y2-y1/x2-x1

11-3/9-9

8/0

0

slope=0

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In 2018, the population will grow over 700,000.The population of a city in 2010 was 450,000 and was growing at a rate of 5% per
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Answer:

The year is 2020.

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Let the number of years passed since 2010 to reach population more than 7000000 be 'x'.

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Initial population is, P_0=450,000

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Final population is, P=700,000

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P=P_0(1+r)^x

Taking log on both sides, we get:

\log(P)=\log(P_0(1+r)^x)\\\log P=\log P_0+x\log (1+r)\\x\log (1+r)=\log P-\log P_0\\x\log(1+r)=\log(\frac{P}{P_0})\\x=\frac{\log(\frac{P}{P_0})}{\log(1+r)}

Plug in all the given values and solve for 'x'.

x=\frac{\log(\frac{700,000}{450,000})}{\log(1+0.05)}\\x=\frac{0.192}{0.021}=9.13\approx 10

So, for x > 9.13, the population is over 700,000. Therefore, from the tenth year after 2010, the population will be over 700,000.

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8 0
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jeka94

Answer:

40%

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