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IRINA_888 [86]
3 years ago
11

How do I do this I don’t understand

Mathematics
2 answers:
lozanna [386]3 years ago
7 0
You have to calculate the average of brandees info
alexandr1967 [171]3 years ago
6 0

9514 1404 393

Answer:

  a) 74.5%

  b) 84.3%

Step-by-step explanation:

a) If you were to refer to the glossary, as the problem statement suggests, it would tell you how to do this. Add up the scores and divide by the number of them.

Here, the 8 given scores have a total of 596%, so their mean is ...

  596%/8 = 74.5%

Brandee might argue that this score <em>does not really represent her abilities</em>, because <em>her abilities were not demonstrated properly</em> on one of the tests.

__

b) Replacing the 0 score with 78% brings the total to 674%, so the new mean is ...

  674%/8 = 84.3%

_____

<em>Additional comment</em>

Brandee's teacher might argue that the score <em>does</em> represent Brandee's abilities, because sometimes she fails to perform when needed.

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4 0
3 years ago
Can someone help me with this?
algol13

Answer: x=12

Step-by-step explanation:

we know that sum of a triangle is 180 degrees

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2x+1+5x+5=180-90

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3 years ago
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