The following table shows each of Haruka's final exam scores last semester. Final exam Score on a 100100100-point scale Astronom
1 answer:
The mean calculated shows that the Chemistry score will be 87.
<h3>How to calculate the score?</h3>From the information given, the total scores will be:
= 84 × 4
= 336
The addition of the scores given will be:
= 72 + 85 + 92
= 249
The Chemistry score will be:
= 336 - 249
= 87
<u>Complete question:</u>
If the mean of the data set is 84 points, find Harukas final exam score in Chemistry.
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Answer:
AFCE = 30
P+Q = 11
Step-by-step explanation:
From the picture, you can see the figure can be decomposed into two identical large triangles with area 20, and 4 identical longer ones, that have to cover the remaining area 40, thus 10 each.
From that you can count the area.
Second puzzle is just trial and error.
