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PLEASE HELP What is the x value??
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PLEASE HELP What is the x value??

PLEASE HELP What is the x value??-example-1
User Exasm
by
4.1k points

1 Answer

3 votes

Answer:

9

Explanation:

21^2-19^2=80

sqaure root of 80 to the nearest 10th is

User Andre Loker
by
4.5k points
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