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irakobra [83]
3 years ago
5

please answer this!!!!!Paul and his friends average their test grades and find that the average is 95. The teacher announces tha

t the average grade of all of her classes is 83. why are the averages so different?
Mathematics
2 answers:
yan [13]3 years ago
8 0
Paul and his friends is a smaller group of scores to add together and divide with, so their average will be different from the class since the class has more scores to add up and a bigger number of people to divide by.
den301095 [7]3 years ago
6 0
The averages are very different because there was a wide range of test scores among students
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Andrej [43]
Based on the lengths, the cheerleaders' banner is scaled down by a factor of 4.

So, 44 ÷ 4 = 11.

For the perimeter, 156 ÷ 4 is 39.

For the area, you have to do A=bh
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The base (length) is 11 inches, multiply that by two to get 22 inches which is the amount for both lengths. If the total perimeter is 39, you have to subtract 22 from that to get the remaining inches which is 17.
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The final answer is:
Area = 93.5 in^2
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I hope that helps!
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2 years ago
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