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asked Feb 19, 2020 20.1k views

3 votes

I don’t understand this

Mathematics
middle-school

Christian Seiler asked

by Christian Seiler

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2 Answers

6 votes

Answer:

24.5

Explanation:

7²/x²-2

7²/2²-2

49/4-2

49/2

24.5

Amir Mohsen answered Feb 20, 2020

by Amir Mohsen

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3 votes

Replace x with 3 in the equation to get:
7^2/ 3^2 -2

7^2 changes to 49 and 3^2 changes to 9:
49/9-2

Simplify 9-2 to 7:
49/7

Divide 49 by 7:
7

Marsmensch answered Feb 24, 2020

by Marsmensch

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