Problem 8 Problem 8 Minneapolis-St. Paul International Airport is 8 miles southwest of Minneapolis-St. Paul International Airport is 8 miles southwest of downtown St. Paul and 10 miles southeast of downtown Minneapolis. downtown St. Paul and 10 miles southeast of downtown Minneapolis. Which of...
Problem 9:(AMC) For a given arithmetic series the sum of the first 50 terms is 200, and the sum of the next.50 terms is 2 700. The first term of the series is( ).(A)-1221 (B)-21.5(C)-20.5 (D)3(E)3.5 相关知识点:
Thus the described situation is a right triangle with legs 8 miles and 10 miles long. The hypotenuse length is , and thus the answer is . Without a calculator one can note that . Problem 9 A square has sides of length 10, and a circle centered at one of its vertices has radius 10....
Problem 9 In the figure, ∠EAB and∠ABC are right angles. AB=4, BC=6, AE=8, and AC and BE intersect at D . What is the difference between the areas of △ADE and △BDC? (A)2 (B)4 (C)5 (D)8 (E)9 Problem 10 Coin A is flipped three times and coin B is flipped four...
2004 AMC 10B Problem 1 Each row of the Misty Moon Amphitheater has 33 seats. Rows 12 through 22 are reserved for a youth club. How many seats are reserved for this club?Solution There are rows of seats, giving seats.Problem 2 How many two-digit positive integers have at least one 7 ...
Problem6 Berthahas6daughtersandnosons.Someofherdaughtershave6daughters,andtheresthavenone.Berthahasatotalof30 daughtersandgranddaughters,andnogreat-granddaughters.HowmanyofBerthasdaughtersandgrand-daughtershaveno daughters? Problem7 Agrocerstacksorangesinapyramid-likestackwhoserectangularbaseis5orangesby8oranges.Eac...
(2011 AMC 8 Problem, Question #19) A.8 B.9 C.10 D.11 E.12 相关知识点: 试题来源: 解析 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 ...
结果1 题目 (2021 AMC 10 A Problem 9)What is the least possible value of (xy-1)^2+(x+y)^2 for real numbers x and y?对于实数x和y,(xy-1)^2+(x+y)^2 的最小可能值是多少? A: DB: C: D: 1 E: 2 相关知识点: 试题来源: 解析 DN/A 反馈 收藏 ...
2004AMC10-A
5岁及以下）8.AIME（美国数学邀请赛）晋级标准：AMC10的前2.5%学生AMC12的前5%的学生9.注意事项：...