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39 votes
39 votes
If 9 : x = x:4, then x =

User Gari Singh
by
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1 Answer

7 votes
7 votes

Answer:

x = ±6

Explanation:

9 : x = x : 4

Cross multiply

36 = x²

Take the square root of both sidesw

x = ±6

User Paget
by
3.3k points