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shepuryov [24]
3 years ago
11

Keith plans to buy a car in the future. He currently has $3,000 saved up to buy the car. How much money (x) does he need to save

per month over the next 24 months in order to have some extra money left after buying a 20,000-dollar car?
Mathematics
1 answer:
iVinArrow [24]3 years ago
4 0
708.33333333 or 708.4 $ a month
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Carey measured a city park and made a scale drawing. In real life, the soccer field is 99 meters long. It is 33 millimeters long
Leokris [45]
99/33= 3

All you need to do is divide the real soccer felid by the scale drawing. Don't let the meters and the millimeters confuse you- it will still give you the right scale even though they are different units of measure. 

1 millimeter= 3 meters

I hope this helps!
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Answer:

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2 years ago
A town doubles its size every 26 years. If the population is currently 10,000, what will the population be in 52 years?
Sergio039 [100]
40,000 you’re welcome. Bye
5 0
3 years ago
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The heights of a random sample of 100 women are recorded. The sample mean is 65.3 inches and the sample standard deviation is 3
Keith_Richards [23]

Answer: B. 65.3\pm(2)(0.3)

Step-by-step explanation:

The confidence interval for the population mean is given by :-

\overline{x}\pm z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}

Given : Sample size : n= 100

Sample mean : \overline{x}=65.3\text{ inches}

Standard deviation: \sigma=3 \text{ inches}

Level of confidence = 0.95

Significance level : \alpha=1-0.95=0.05

Critical value : z_{\alpha/2}=1.96

Then, 95% confidence interval for the population mean will be :-

65.3\pm (1.96)\dfrac{3}{\sqrt{100}}\\\\\approx65.3\pm(2)(\dfrac{3}{10})=65.3\pm(2)(0.3)

8 0
2 years ago
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