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Need help!! question is on the picture.
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4 votes
Need help!! question is on the picture.

Need help!! question is on the picture.-example-1
User DavidValeri
by
8.4k points

1 Answer

7 votes

Answer:

√d=4×5

√d=20

square both sides

√d²=20²

the square cancels the square root

d=400

User MLH
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8.8k points
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