Problem Rankings

Rank Source Description Elo Rating
3381 AMC 12 2019 B Q20 Points \(A(6,13)\) and \(B(12,11)\) lie on circle ... 1484.00
3382 AMC 12 2019 B Q24 Let \(\omega=-\tfrac{1}{2}+\tfrac{1}{2}i\sqrt3.\) ... 1484.00
3383 AMC 12 2020 B Q2 What is the value of the following expression? ... 1484.00
3384 AMC 12 2020 B Q9 A three-quarter sector of a circle of radius \(4\)... 1484.00
3385 AMC 12 2020 B Q10 In unit square \(ABCD,\) the inscribed circle \(\o... 1484.00
3386 AMC 12 2020 B Q12 Let \(\overline{AB}\) be a diameter in a circle of... 1484.00
3387 AMC 12 2005 B Q20 Let \( a,b,c,d,e,f,g\) and \( h\) be distinct elem... 1484.00
3388 AMC 12 2015 A Q25 A collection of circles in the upper half-plane, a... 1484.00
3389 AMC 12 2015 B Q15 At Rachelle's school an A counts 4 points, a B 3 p... 1484.00
3390 AMC 12 2010 A Q4 If \( x < 0\), then which of the following must be... 1484.00
3391 AMC 12 2010 A Q11 The solution of the equation \( 7^{x+7}=8^x\) can ... 1484.00
3392 AMC 12 2010 B Q2 A big \( L\) is formed as shown. What is its area?... 1484.00
3393 AMC 12 2010 B Q9 Let \( n\) be the smallest positive integer such t... 1484.00
3394 AMC 12 2010 B Q13 In \( \triangle ABC, \ \cos(2A - B) + \sin(A+B) = ... 1484.00
3395 AMC 12 2010 B Q20 A geometric sequence \( (a_n)\) has \( a_1=\sin{x}... 1484.00
3396 AMC 12 2017 A Q2 The sum of two nonzero real numbers is \(4\) times... 1484.00
3397 AMC 12 2017 A Q5 At a gathering of \(30\) people, there are \(20\) ... 1484.00
3398 AMC 12 2017 A Q21 A set \(S\) is constructed as follows. To begin, \... 1484.00
3399 AMC 12 2017 B Q7 The functions \(\sin(x)\) and \(\cos(x)\) are peri... 1484.00
3400 AMC 12 2017 B Q11 Call a positive integer monotonous if it is a one-... 1484.00