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 06-22-2007 #1 Sillysidley   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. __________________ . Last edited by Scion; 08-23-2007 at 08:55 PM.. Reason: new rule
 06-22-2007 #2 Scion   Join Date: Nov 2006 Posts: 437 the answer is 6 solve $4x^2+5x-9=0$ __________________
 06-22-2007 #3 Sillysidley   Join Date: Oct 2006 Posts: 822 Quadratic Formula gives $x=1,-\frac{9}{4}$ Find the discriminant of the quadratic equation $2x^{2}+10x+8$. __________________ . Last edited by Sillysidley; 06-22-2007 at 04:44 PM..
 06-22-2007 #4 Scion   Join Date: Nov 2006 Posts: 437 u mean discriminant right? __________________
 06-22-2007 #5 Sillysidley   Join Date: Oct 2006 Posts: 822 Whoops, yeah. I had to hurry up, since my parents were calling me. __________________ .
 06-22-2007 #6 Scion   Join Date: Nov 2006 Posts: 437 answer is 6 again lolz find the area of circle with radius of 5. __________________
10-22-2009   #7
stanley09

Join Date: Oct 2009
Posts: 7

Quote:
 Originally Posted by Sillysidley 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.
ok but not now because im in skool till 3:41

11-19-2009   #8
stanley09

Join Date: Oct 2009
Posts: 7
re

Quote:
 Originally Posted by Sillysidley 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.
thankss

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