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marissa [1.9K]
3 years ago
8

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

Mathematics
2 answers:
elena-s [515]3 years ago
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]3 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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The first step for solving this equation is to determine the defined range.
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Using ㏑(a^{x}) = x × ㏑(a),, transform the expression.
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Now collect the like terms on the left side of the equation.
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Switch the sides of the equation.
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Using x × ㏑(a) = ㏑(a^{x}),, transform the expression on the left side of the equation.
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Using x × ㏑(a) = ㏑(a^{x}),, transform the expression on the right side of the equation.
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4x = +/- 8
Now separate the equation into 2 possible cases.
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Lastly,, check if the solution is in the defined range to find your final answer.
x = 2
This means that the correct answer to your question is x = 2.
Let me know if you have any further questions
:)
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