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forsale [732]
3 years ago
8

Please hurry this is very urgent!!!!About fifty percent of the population of Alaska lives within a 50-miles radius of Anchorage.

Of the area of Alaska is 586,412 miles, about what percent of the total land area is within 50 miles of Anchorage?
Mathematics
2 answers:
stellarik [79]3 years ago
5 0

Answer: About 1.34%.

Step-by-step explanation:

Given : About 50% of the population of Alaska lives within a 50-miles radius of Anchorage.

To find the area of the section within 50 miles , we need to find the area of the circle with radius =  50 miles.

Area of circle = \pi r^2

Then,

Area of the section within 50 miles= (3.14) (50)^2=7850\text{ miles}^2

Also, the area of Alaska is 586,412 miles.

Now, the percent of the total land area is within 50 miles of Anchorage :_

\dfrac{7850}{586412}\times100=1.3386492773\approx1.34\%

Hence, the percent of the total land area is within 50 miles of Anchorage= 1.34%

STALIN [3.7K]3 years ago
4 0

Answer: divide the big number by 2

Step-by-step explanation: dude it literally tells you the answer almost xD jsut divide the big number by 2

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Using the t-distribution, it is found that the data does not provide convincing evidence that the mean number is greater when the coupons were addressed to a female.

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At the alternative hypothesis, it is tested if the mean number is greater for females, that is, the mean is greater than 0, hence:

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The test statistic is given by:

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