The average score of all the students in both classes is 84.
<h3>How to calculate the average?</h3>
The class with 30 students had an average score of 80 on a test. The total score will be:
= 30 × 80
= 2400
A class with 20 students had an average score of 90 on the same test. The total score will be:
= 20 × 90
= 1800
Total scores = 2400 + 1800 = 4200
Number of students = 20 + 30 = 50
The average score will be:
= Total score / Total students
= 4200 / 50
= 84
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Answer:
1/6 cup of milk
Step-by-step explanation:
1/2 (amount of milk)- 1/3 (amount of water)
1/2 = 3/6
1/3 = 2/6
3/6 - 2/6 = 1/6
Hope this helped <3
A triangle's angle measures add up to 180°.
67 + 90 = 157
180 - 157 = 23
The last angle measure is 23°.
The longer the side length, the larger the angle opposite it is. And vice versa. The shorter the side length, the smaller the angle opposite it is.
Side Length: ∠ Measure Opposite Side:
5 in 23°
12 in 67°
13 in 90°
X-20 because x is the width and the length is x-20
