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Bingel [31]
3 years ago
5

Evaluate n2-m; use m=7, and n=8

Mathematics
2 answers:
Fynjy0 [20]3 years ago
6 0

Answer:

9

Step-by-step explanation:

alexdok [17]3 years ago
5 0

Answer:

9

Step-by-step explanation:

(8)*2-7

16-7

9

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A triangle XYZ has its vertices at X(2, 4), Y(6,-4), and Z(-4,1). What is the perimeter of the triangle XYZ?
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8 0
3 years ago
A set of data with 100 observations has a mean of 267. There are six outliers in the data set, which have a mean of 688. If the
SVETLANKA909090 [29]
Answer: 240.127659574469 which is approximate. Round this however you need to.

=======================================

Explanation:

Let,
A = sum of the 94 non-outlier values
B = sum of the 6 outliers

The 100 data values has a mean of 267, so 
(A+B)/100 = 267
A+B = 267*100
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The mean of the six outliers is 688, so
B/6 = 688
B = 688*6
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Which means,
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and the mean of the 94 non-outliers is
A/94 = 22572/94 = 240.127659574469 which is approximate. Round this however you need to.
4 0
3 years ago
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