A student had test score of 85, 72, 63, 91, and 94. Find the average of the test scores .

2 answers:

6 0

So just add all of them together and you get 405. Then divide by the amount of numbers there is which is 5. So 405 divided by 5. The answer is 81.

konstantin123 [22]2 years ago

6 0

Answer: Your answer is 85.

Step-by-step explanation: In order to find out the average you would lay them out like this (least to greatest) : 63, 72 , 85, 91 , 94. Then you'd cross each one evenly. --, --, 85,-- , --. Remember, if there are two numbers, you'd add them up and divide by two.

Please make sure to correct me if I'm wrong.

Thanks.

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I can’t figure out what the half circle means the answer options are 163,129,149 and 186

vodka [1.7K]

Answer: 129

Step-by-step explanation: First find the area of the circle. Since we know the area of a circle is πr² (pi multiplied by the radius squared) we can find the area of the half circle. The radius is 5 (because radius is half of the diameter)

Area=3.14(5)²

=3.14(25)

=78.5

But since this is just a half circle, divide this by 2

That will get 39.25

Then add this to the area of the rectangle (L*W) which is 90

That will get about 129

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mamaluj [8]

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