The sum of the two numbers is 15. One number is twice as large as the second number. What are the numbers? The sum of the two numbers is 15. One number is twice as large as the second number. What are the two numbers? The sum of the t...
The average of two numbers is x .if one of the numbers is 3m-5,then the other number,in terms of x and m,is __ 6m-10-x我的理解是:2个数的平均数是x,其中一个是3m-5,所以,设另一个数是 y,(y+3m-5)/2=x,答案应该是:y=2x-3m+5但是原题答案感觉是,(x+y)/2=3m-5请高手分析...
百度试题 结果1 题目 8 The average of two numbers is 80. If one of the numbers is 64, what is the other number? 3(1) 16(2) 72(3) 96(4) 144 相关知识点: 试题来源: 解析 3 反馈 收藏
aMuckup what requested by Onishi-san Muckup what requested by Onishi-san [translate] athe average of three number is 48 .the average of two of these numbers is 56.what is the third number? 平均 三数字是48 .the平均二这些数字是56.what是第三个数字? [translate] ...
The graph below shows the average cost of monthly contract for four different cell phones in a European country from January to September in 2002. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words. Task 1 曲线图...
If the average (arithmetic mean) of four different numbers is 30, how many of the numbers are greater than 30? (1) None of the four numbers is greater than 60. (2) Two of the four numbers are 9 and 10, respectively. 选项: 答案: C 提问列表 提问 提问: DS (1)(2)一起为什么充...
if two numbers have an average of 28 and one of the number is 13,use the formula to find the other number. 相关知识点: 试题来源: 解析 m和n的平均数可以用 A=m+n/2表示 如果两个数的平均数是28,其中一个数是13,则另一个数是多少? 设另一个数是x. 则(x+13)/2=28 x=43 分析总结。
If the average of the firstthree terms is 7 and the average of the nextfour terms is 10, what is the average of the last three terms? A.20 B.21 C.22 D.23 328.In a sequence of 8 numbers,the average of the 8 terms is 15.If the average of the first three terms is 16 a...
The average of five numbers is 58. The average of the first two numbers is 48.5 and the average of last two numbers is 53.5. What is the third number? View Solution The average of 9 numbers is 18. If the average of first five numbers is 19 and the average of last 5 numbers is 17...
The average of 50 numbers is 38. If the numbers 45 and 55 are discarded, then the average of the remaining numbers is (a) 36.5 (b) 37 (c) 37.5 (d) 37.52 View Solution The average of 50 number is 36. If two nmumbers, namely 63 and 65 are discarded, the average of the remainin...