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06222007  #1 
Join Date: Oct 2006
Posts: 822

Mathcounts Marathon
Hows about we start having a problem marathon? Someone posts a problem, and another person answers. Whoever answers needs to post a new one. Don't let the problems go to trig or proofs, or anything harder than middle school. I'll start.
What's the area of a right triangle with sides 3,4, and 5? Edit: You can only post A new problem after your answer is verified as correct by the poster.
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. Last edited by Scion; 08232007 at 08:55 PM.. Reason: new rule 
06222007  #2 
Join Date: Nov 2006
Posts: 437

the answer is 6
solve
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06222007  #3 
Join Date: Oct 2006
Posts: 822

Quadratic Formula gives
Find the discriminant of the quadratic equation .
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. Last edited by Sillysidley; 06222007 at 04:44 PM.. 
06222007  #4 
Join Date: Nov 2006
Posts: 437

u mean discriminant right?
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06222007  #5 
Join Date: Oct 2006
Posts: 822

Whoops, yeah. I had to hurry up, since my parents were calling me.
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06222007  #6 
Join Date: Nov 2006
Posts: 437

answer is 6 again lolz
find the area of circle with radius of 5.
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10222009  #7  
Join Date: Oct 2009
Posts: 7

Quote:


11192009  #8  
Join Date: Oct 2009
Posts: 7

re
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