| 481 |
AMC 12 2003 A Q11 |
A square and an equilateral triangle have the same... |
1516.00 |
| 482 |
AMC 12 2003 A Q19 |
A parabola with equation \( y = ax^2 + bx + c\) is... |
1516.00 |
| 483 |
AMC 12 2006 A Q13 |
The vertices of a \( 3 - 4 - 5\) right triangle ar... |
1516.00 |
| 484 |
AMC 12 2006 B Q4 |
Mary is about to pay for five items at the grocery... |
1516.00 |
| 485 |
AMC 12 2006 B Q12 |
The parabola \( y = ax^2 + bx + c\) has vertex \( ... |
1516.00 |
| 486 |
AMC 12 2006 B Q18 |
An object in the plane moves from one lattice poin... |
1516.00 |
| 487 |
AMC 12 2002 A Q20 |
Suppose that \( a\) and \( b\) are digits, not bot... |
1516.00 |
| 488 |
AMC 12 2002 P Q11 |
Let \(t_n=\dfrac{n(n+1)}2\) be the \(n\)th triangu... |
1516.00 |
| 489 |
AMC 12 1998 A Q4 |
Define \([a,b,c]\) to mean \(\frac{a+b}{c},\) wher... |
1516.00 |
| 490 |
AMC 12 1998 A Q8 |
A square \( ABCD\) with sides of length 1 is divid... |
1516.00 |
| 491 |
AMC 12 1998 A Q22 |
What is the value of the expression
\[ \frac {1}{... |
1516.00 |
| 492 |
AMC 12 1998 A Q30 |
For each positive integer \(n\), let
\[a_n = \fra... |
1516.00 |
| 493 |
AMC 12 1997 A Q29 |
Call a positive real number special if it has a de... |
1516.00 |
| 494 |
AMC 12 1993 A Q17 |
Amy painted a dart board over a square clock face ... |
1516.00 |
| 495 |
AMC 12 1993 A Q22 |
Twenty cubical blocks are arranged as shown. First... |
1516.00 |
| 496 |
AMC 12 1993 A Q28 |
How many triangles with positive area are there wh... |
1516.00 |
| 497 |
AMC 12 1995 A Q12 |
Let \(f\) be a linear function with the properties... |
1516.00 |
| 498 |
AMC 12 1995 A Q19 |
Equilateral triangle \(DEF\) is inscribed in equil... |
1516.00 |
| 499 |
AMC 12 1995 A Q24 |
There exist positive integers \(A,B\) and \(C\), w... |
1516.00 |
| 500 |
AMC 12 1995 A Q25 |
A list of five positive integers has mean \(12\) a... |
1516.00 |