2017 AMC 10A Problems and Solutions Problem 1 What is the value of ? (A)70 (B)97 (C)127 (D)159 (E)729 Problem 2 Pablo buys popsicles for his friends. The store sells single popsicles for $1 each, 3-popsicle boxes for $2 each, and 5-popsicle boxes for $3. What is the ...
Likeintheothersolutions,solvethesystemsofequationstoseethatthetrianglestwootherverticesareat??and?.ThenapplyHeronsFormula:thesemi-perimeterwillbe?,sotheareareducesnicelytoadifferenceofsquares,makingit?. Solution4 Likeintheothersolutions,wefind,eitherusingalgebraorsimplybydrawingthelinesonsquaredpaper,thatthethree...
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A)2011B)2012C)2013D)2015E)2017 答案:E Q11.The length of the interval of solutions of the inequality is10.What is ? A)6B)10C)15D)20E)30 翻译:如果不等式 的区间长度为10,那么 是多少? 答案:D 解析: 解得, ,所以 ,即 ,故选D. Q12.Logan is constructing a scaled model of his town. ...
4 p. amc10 6 p. 2008 AMC10美国数学竞赛B卷 8 p. 【精品】2008年2009美国AMC10 13 p. 2011年-AMC10数学竞赛A卷-附中文翻译和答案 4 p. AMC10词库 18 p. 数学词汇AMC10 123 p. 美国AMC10数学联赛英文原题(无答案) 124 p. 美国AMC10数学联赛英文原题(无答案) 7 p. AMC10美国数学...
2004AMC10-A
• 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 A ll AMC 10 Problems and Solutions 2016 AMC 10A Problems/Problem 2 Contents 1 Problem 2 Solution 1 3 Solution 2 4 See Also Problem For what value of does...
8. Answer (A): Let x denote the sticker price, in dollars. Heather pays 0.85x−90 dollars at store A and would have paid 0.75x dollars at store B. Thus the sticker price x satisfies 0.85x −90 = 0.75x −15, so x = 750. Solutions 2008 9 th AMC 10 A 3 9. Answer ...
5n?1 ? (A)278 (B)279 (C)280 (D)281 (E)282 4 2014 AMC 10A 2014 AMC 10A Solutions Problem 1 We have10 ? (1 ? 1 ? 1 )?1Making the denominators equal gives 2 5 10 ? 10 ? ( 5 ? 2 ? 1 )?1 ? 10 ? ( 8 )?1 ? 10 ? 5 ? 25 C 10 10 10 10 42 Problem 2 Each...
(A) 60(D) 72(C) 84(D) 90(E)96SolutionProblem 19SolutionSpot's doghouse has a regular hexagonal base that measures one yard on each side. He is tethered to a vertex with a two-yard rope. What is the area, in square yards, of the 15、region outs ide of the doghouse that Spot...