(2011 AMC 8 Problem, Question #19) A.8 B.9 C.10 D.11 E.12 答案 DThe figure can be divided into 7 sections. The number of rectangles with just one section is 3. The number of rectangles with two sections is 5. There is none rectangle with only three sections. The number o...
2011AMC12B 2011AMC12B Problem 1 Whatis 表达式的值是多少 Problem2 Josannastestscorestodateare , , , ,and .Hergoalistoraisehertestaverageat least pointswithhernexttest.Whatistheminimumtestscoreshewouldneedtoaccomplishthis goal? Josanna 目前的考试分数是9 ,8 ,7 ,6 和85,她的目标是靠下次考试将她...
or dollars. Adding dollars dollars . See also 2011 AMC 12A (Problems • Answer Key • Resources (/Forum/resources.php?c 182cid 44year 2011)) Preceded by Followed by First Problem Problem 2 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 ...
In order to solve this problem, use of the tangent-tangent intersection theorem (Angle of intersection between two tangents dividing a circle into arc length A and arc length B = 1/2 (Arc A° - Arc B°). In order to utilize this theorem, the degree measures of the arcs must be ...
Since 2011≡11(mod1000), we know that 20112011≡112011(mod1000). To compute this, we use a clever application of the binomial theorem. 112011=(1+10)2011 =1+(20111)⋅10+(20112)102+⋯ In all of the other terms, the power of 10 is greater than 3 and so is equivalent to 0 modu...
Problem3 Atickettoaschoolplaycostdollars,whereisawholenumber.Agroupof9thgradersbuys ticketscostingatotalof$,andagroupof10thgradersbuysticketscostingatotalof$.How manyvaluesforarepossible? 8 一张学校戏剧票要花美元,其中是整数。一组九年级学生买的票总共花了美元,一组十 ...
2011 AMC 10B Problems/Problem 17 Problem In the given circle, the diameter is parallel to , and is parallel to . The angles and are in the ratio . What is the degree measure of angle ? Solution We can let be and be because they are in the ratio . ...
( 2012 AMC 10A Problem, Question #11) Cagney can frost a cupcake every 20 seconds and Lacey can frost a cupcake every 30 seconds. Working together, how many cupcakes can they frost in 5 minutes?( )A. 10 B. 15 C. 20 D. 25 E. 30 相关知识点: ...
the midpoint of . What is the area inside circle but outside circle and circle ? 12 A power boat and a raft both left dock on a river and headed downstream. The raft drifted at the speed of the river current. Page 1of 5 USA AMC 12/AHSME 2011 • Art of Problem Solving ...
8 Tianjin 8 Shaanxi 7 Shanxi 6 Anhui 6 Chongqing 5 Jilin 5 Hunan 4 Inner Mongolia 3 2 2 1 1 1 1 Other Relevant Information Auditors engaged Domestic Name by the Company Office Address Name of the signing accountant PricewaterhouseCoopers Zhong Tian LLP 11/F PricewaterhouseCoopers Cen...