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Lady bird [3.3K]
3 years ago
15

What is the greatest cThe work that Yi did to find the greatest common factor of 42 and 63 is shown below.

Mathematics
1 answer:
bija089 [108]3 years ago
5 0
Yi forgot two factors of 63, which are 3 and 21.

This would make the greatest common factor 21.
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Answer:

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  2. Gerald's standardized score is 0.72
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Step-by-step explanation:

To compare Elanor's and Gerald's math scores, we need to standardize them and calculate their z-scores.

z score can be calculated using the formula

z=\frac{X-M}{s} where

  • X is the student's score
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Elanor's standardized score is:

z(e) = \frac{680-554}{106} ≈ 1.19

Gerald's standardized score is:

z(g)= \frac{27-24.7}{3.2} ≈ 0.72

Since z(e) > z(g), Elanor has higher score

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