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anonymous
 2 years ago
If a, b and c are positive integers and if a=2b and a^2+b^2=c, which of the following cannot equal to c?
a) 5
b)20
c) 50
d) 125
e) 500
anonymous
 2 years ago
If a, b and c are positive integers and if a=2b and a^2+b^2=c, which of the following cannot equal to c? a) 5 b)20 c) 50 d) 125 e) 500

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DDCamp
 2 years ago
Best ResponseYou've already chosen the best response.2dw:1373735734443:dw c is 5 times a square number. Divide each of the possible answers by 5 and see which one isn't a square number.

anonymous
 2 years ago
Best ResponseYou've already chosen the best response.0Jack seriously I am not a smart person xD stahp

anonymous
 2 years ago
Best ResponseYou've already chosen the best response.0@.Sam. please save time and help

sumi29
 2 years ago
Best ResponseYou've already chosen the best response.1You have a relation between two of the three variables, so use it. You will be eliminating one of them in the process. Finally you get a simple expression, as solved above by a member. Try out all the given options and get to the correct answer.

anonymous
 2 years ago
Best ResponseYou've already chosen the best response.0DDCamp gave a really nice method, why am i being tagged?

SnuggieLad
 2 years ago
Best ResponseYou've already chosen the best response.0Please stop tagging me. That was 12 notifications when I logged on JUST from you.
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