This question uses two of our strategies: linear pair and \(180^{\circ}\) in a triangle. As soon as you see a linear pair of angles, determine the measures of the angles in the pair. So the angle next to the \(140^{\circ}\) must be \(180^{\circ}-140^{\circ}=40...
The value of the ones digit of 27^(2000) is 1. (2) 2^(216091)- 1 2, 4, 8, 6, 2, 4, 8, 6, ⋯ R1 R2 R3 R0 216091÷ 4=54022 ( R)3 The value of the ones digit of 2^(216091) is 8. 8-1=7 The value of the ones digit of 2^(216091)- 1 is 7.反馈...
题目What is the value of ? A: −4 B: 21.333 C: 8 D: 4 相关知识点: 试题来源: 解析 D 4 反馈 收藏
百度试题 结果1 题目What is the value of x?A.22B.42C.8D. None ofthe above 相关知识点: 试题来源: 解析 B(OP+iO_2B) 反馈 收藏
What is the value of_7C_2A. 2520 B. 49 C. 42. D. 21 相关知识点: 排列组合与概率统计 计数原理 排列、组合及简单计数问题 组合与组合数 试题来源: 解析 D 【分析】本题考查组合数计算,属基础题.【解答】解:由组合数公式可知,(C_7)^2 = (7*6)(2*1)=21 .故选D....
\(What is the value of_{7}C_{2}\)\(2520\) \(49\) \(42.\) \(21\) 相关知识点: 试题来源: 解析 \(D\) 本题考查组合数计算,属基础题. 解:由组合数公式可知, \({{C}_{7}}^{2} = \dfrac{7×6}{2×1}=21 \). 故选D....
百度试题 结果1 题目What is the value of 2−(−2)−2?( ) A.−2 B.116 C.74 D.94 E.6 相关知识点: 试题来源: 解析 C N/A. 反馈 收藏
What is the value of (x + y)? View Solution KIRAN PUBLICATION-SYMBOLS & NOTATIONS-TYPE-I (vii) If 4 xx 9 xx 3= 4 and 5 xx 3 xx 1=3, then 9 xx 9 xx 7=? 02:26 If (3)^(2)"@"1**7=98 and (4)^(2)"@"2**16=178, then (5)^(2)"@"3**9=? 01:11 If 6 @...
百度试题 结果1 题目What is the value of the expression \( 2^3 + 5 \)? A. 13 B. 15 C. 17 D. 19 相关知识点: 试题来源: 解析 A 反馈 收藏
In the figure, what is the value of ? ( ) A. 34 B. 43 C. 32 D. 2 E. 52 相关知识点: 试题来源: 解析B Since two of the inner angles of the triangle are the same, △ (ABC) is an isosceles triangle. →(AC)=(CB)→-...