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Need help!! question is on the picture.

Need help!! question is on the picture.
asked 26.0k views
4 votes
Need help!! question is on the picture.

Need help!! question is on the picture.-example-1
asked
User DavidValeri
by
8.0k points

1 Answer

7 votes

Answer:

√d=4×5

√d=20

square both sides

√d²=20²

the square cancels the square root

d=400

answered
User MLH
by
8.3k points
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