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If (x/3)^(1/2) = 3, then x =

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If (x/3)^(1/2) = 3, then x =  [#permalink]

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New post 21 Mar 2018, 22:53
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A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

94% (00:23) correct 6% (01:15) wrong based on 48 sessions

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Re: If (x/3)^(1/2) = 3, then x =  [#permalink]

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New post 21 Mar 2018, 23:28
Bunuel wrote:
If \(\sqrt{\frac{x}{3}} = 3\), then x =

(A) 1/9

(B) \(\sqrt{3}\)

(C) 6

(D) 9

(E) 27



Given: \(\sqrt{\frac{x}{3}} = 3\)

Squaring on both sides, \(\frac{x}{3} = 3^2\)

Therefore, x = \(3^3 = 27\) (Option E)
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Re: If (x/3)^(1/2) = 3, then x =  [#permalink]

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New post 22 Mar 2018, 00:19
Bunuel wrote:
If \(\sqrt{\frac{x}{3}} = 3\), then x =

(A) 1/9

(B) \(\sqrt{3}\)

(C) 6

(D) 9

(E) 27



Squaring both sides,

x/3=9
x=27
Answer E
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Re: If (x/3)^(1/2) = 3, then x =  [#permalink]

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New post 23 Mar 2018, 12:44
Bunuel wrote:
If \(\sqrt{\frac{x}{3}} = 3\), then x =

(A) 1/9

(B) \(\sqrt{3}\)

(C) 6

(D) 9

(E) 27


Squaring both sides of the equation, we have:

x/3 = 3^2

x/3 = 9

x = 27

Answer: E
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Re: If (x/3)^(1/2) = 3, then x =  [#permalink]

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New post 24 Mar 2018, 08:33
Bunuel wrote:
If \(\sqrt{\frac{x}{3}} = 3\), then x =

(A) 1/9

(B) \(\sqrt{3}\)

(C) 6

(D) 9

(E) 27

\(\sqrt{\frac{x}{3}} = 3\)

Or,\(\frac{x}{3} = 9\)

Or, x = 27 , Answer must be (E)
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Re: If (x/3)^(1/2) = 3, then x =  [#permalink]

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New post 25 Mar 2018, 01:33
\(\sqrt{\frac{x}{3}}\)= 3

Square both sides

\(\frac{x}{3}\)= 9

x=27

\(Answer: E.\)
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Re: If (x/3)^(1/2) = 3, then x =   [#permalink] 25 Mar 2018, 01:33
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