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jolli1 [7]
3 years ago
15

In her seventh grade pre-algebra class, Ms. Cornelius gave a standardized exam prepared by the district math department. Student

s' scores on the exam were as follows:
100, 98, 98, 96, 96, 96, 94, 92, 88, 82.
What is the mean score?
Mathematics
1 answer:
Alik [6]3 years ago
3 0

Answer: 94

Step-by-step explanation:

The mean is the average of the numbers,

To find the mean add all the numbers and divide by how many numbers there are i.e count the numbers

In this case lets find the sum;

Sum = 100 + 98 + 98 +96 + 96 + 96 + 94 + 92 + 88 + 82

       = 940

Count the numbers : There are 10 numbers in total.

Therefore, The mean = 940/10

                                    = 94

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There are 34 empty seats and 16 occupied seats. What is the ratio of empty to occupied seats? a) 34 to 16 b) 17 to 8 c) 8 to 17
Komok [63]

Answer:

A

Step-by-step explanation:

Ratio means comparison, so we have to compare the two given examples, in this state empty and occupied.

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5 0
2 years ago
NEED HELP FAST
erma4kov [3.2K]

Answer: 0.72/20; 1.98/20; 17.3/20

0.036 * 10/10 = 0.36/10 * 2/2 = 0.72/20

0.099 * 10/10 = 0.99/10 * 2/2 = 1.98/20

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8 0
3 years ago
Normal form [see attachment]
musickatia [10]

I just did one of these. I guessed that normal form is


x \cos \phi + y \sin \phi -  p = 0


Here' that's


x (\sqrt{3}/2) + y (1/2) - 10 = 0


\sqrt{3} x + y - 20 = 0


Choice b




4 0
3 years ago
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