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ElenaW [278]
3 years ago
6

identify the equation that does not belong with the other three. explain your reasoning. 6+x=9 | 15= x+12 | x+9 =11 | 7+x=10

Mathematics
1 answer:
Katena32 [7]3 years ago
6 0
Answer is x+9=11

6+x=9
x=3

15=x+12
x=3

7+x=10
x=3

x+9=11
x=2

So x+9=11 has a different x value than the rest of the equations. So it doesn't belong with the other three.
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In a sample of n = 6 scores, 5 of the scores are each above the mean by one point. Where is the 6th score located relative to th
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The mean of a dataset is the sum of all data elements divided by the count of the elements.

The location of the 6th score relative to the mean is 5 points below the mean

Let:

\bar x \to<em> Mean</em>

a \to<em> 5 scores</em>

b \to<em> 6th scores</em>

Given that:

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The 5 scores that are 1 above the mean implies that:

a = \bar x + 1

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So, we have:

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Open brackets

\bar x =\frac{5\bar x + 5 + b}{6}

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Make b the subject

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Read more about mean at:

brainly.com/question/17060266

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