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Debora [2.8K]
2 years ago
5

In a psychology class, 44 students have a mean score of 96.6 on a test. Then 13 more students take the test and their mean score

is 66.3.
What is the mean score of all of these students together? Round to one decimal place.

mean of the scores of all the students
Mathematics
1 answer:
NikAS [45]2 years ago
5 0

Answer: 89.7

Step-by-step explanation:

The mean of a data set is the average of all the information given. Therefore, the total combined score is the number of students multiplied by the mean

The total score of the first 44 students: 96.6*44 = <em>4250.4</em>

The total score of the later 13 students: 66.3*13 = <em>861.9</em>

(4250.4 + 861.9)/(44 + 13) = 89.7

Hope this helped

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3 years ago
Suppose that an angle is bisected to form two smaller angles that measure (3+30)° and (5+6)° . What is the measure of the origin
Morgarella [4.7K]

Based on the angles addition theorem, the measure of the original angle = 44°.

<h3>What is the Angles Addition Theorem?</h3>

The angles addition theorem states that if an angle is bisected to form two smaller angles, then the sum of the measures of the two smaller angles equals the measure of the original angle that is bisected.

Given that the two smaller angles formed when bisected are: (3+30)° and (5+6)°. Based on the angles addition theorem:

The measure of the original angle = (3+30)° + (5+6)°

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The measure of the original angle = 44°

Learn more about the angles addition theorem on:

brainly.com/question/13545681

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3 0
2 years ago
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Aleksandr [31]

Answer:

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Step-by-step explanation:

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Answer:

52

Step-by-step explanation:

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4 0
3 years ago
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Lemur [1.5K]

Answer:

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Area = 1/2 × 18 × 24

= 9×24

= 216 ft²

5 0
3 years ago
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