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Difficult Math Question #40 - Algebra

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by 800guy » Fri Oct 27, 2006 3:12 pm
don't have an OA for this question--also, don't really understand the prompt.

If X>0.9, which of the following equals to X?

A. 0.81^1/2 B. 0.9^1/2 C. 0.9^2 D. 1-0.01^1/2
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Re: Difficult Math Question #40 - Algebra

by ajith » Fri Oct 27, 2006 8:46 pm
800guy wrote:don't have an OA for this question--also, don't really understand the prompt.

If X>0.9, which of the following equals to X?

A. 0.81^1/2 B. 0.9^1/2 C. 0.9^2 D. 1-0.01^1/2

A. 0.81^1/2 =0.9 is not X because X is greater than .9
B. 0.9^1/2 = This is greater than 0.9 and less than 1.0
C. 0.9^2 =0.81 Again does not satisfy the condition
D. 1-0.01^1/2= 1-0.1=0.9 is not X because X is greater than 0.9


B satisfy the condition X>0.9
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