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zubka84 [21]
4 years ago
12

What best describes the association between variables A and B?

Mathematics
1 answer:
kodGreya [7K]4 years ago
3 0
A positive linear association
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Allushta [10]
Answer: The average age is 7.1 years.

This problem is an example of when we need to take a weighted average. We simply can't just find the average of 5 and 8, because there are different children of each each.

To start, lets multiply the total number of children by their individual ages.

6 x 5 = 30 years
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There are 142 years among the 20 years, so divide 142 by 20. This gives us an average age of 7.1 years.
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4 years ago
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larisa86 [58]
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3 years ago
What is the value of the digit in the ten thousands place in the number 67,868 ?
Veseljchak [2.6K]

9514 1404 393

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Step-by-step explanation:

To find your answer, set all other digits to zero.

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3 years ago
5 is 2% of what number?
il63 [147K]

Answer:

250

Step-by-step explanation:

2% of 250 is 5. Hope this helps!

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3 years ago
What is the Vertex y=2x^2+6
inessss [21]
Compare this function to y=ax^2 + bx + c.  You can readily see that a=2, b=0 and c=6.

The x-coord. of the vertex is at x = -b / (2a).  Subbing the given values for a and b, we get 

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