The average of seven numbers is 53. The sum of the first five numbers is 300. The sixth number is 1 less than the seventh number. What is the seventh number?A. 35B. 36C. 40D. 45 相关知识点: 试题来源: 解析 B. 36 1. 七个数的平均值为53,总和为7×53=371。2. 前五个数的...
1In a sequence of 10 numbers, the average of the 10 terms is 13. If the average of the first three terms is 7 and the average of the next four terms is 10, what is the average of the last three terms?A.20B.21C.22D.23 2In a sequence of 8 numbers, the average of the 8 te...
Step by step video, text & image solution for The average of 'n' numbers is z. If the number x is replaced by the number x^(1) , then the average becomes z^(1) . Find the relation between n, z, z^(1) , x and x^(1) . by Maths experts to help you in doubts & scoring...
GMAT 考满分题库The average (arithmetic mean) of y numbers is x. If 30 is added to the set of numbers, then the average will be x - 5. What is the value of y in terms of x ?
区别 4: 语境偏好"an average of"：在大多数情况下，用于描述一组数据的平均值，比较常见。例子1: The data shows an average of 50 attendees at each event. (数据显示每次活动平均有50名参与者。)例子2: He calculated an average of 10 errors per page in the manuscript. (他计算了手稿中...
百度试题 结果1 题目The average of the two numbers is 74. One of these numbers is a) 62.5b) 102specify the second number 相关知识点: 试题来源: 解析 a =85.5b =46(a+62.5)/2 = 74a = 85.5a = 171/2 = 85.5 反馈 收藏
2. The average of seven numbers is 49. If'1' is added to the first number, '2' is added to the second number, "3' is added to the third number and so on up to the seventh number, what is the new average?$$ 4 9 \times 7 = 3 4 3 $$$ 1 + 2 + 3 + 4 + 5 + ...
If the average of 5 numbers is 36 and the average of four of those numbers is 34, then what is the value of the fifth number? A.2 B.34 C.35 D.36 E.44 显示答案 登录后才可以添加做题笔记哦,还没有账号? 马上注册 KMF 解析 网友解析 题目数据 收起 暂无解析 以上解析由 考满...
7. How to average absolute values The array formula in cell D3 converts numbers in B3:B8 to absolute numbers meaning the minus sign is removed. In other words, all numbers are equal to 0 (zero) or larger. The numbers are 3, -2, 5, -3, 3, and 4. Formula in cell D3: =AVERA...
Answer to: Find the numbers b such that the average value of f (x) on the interval [0, b] is equal to 9. f (x) = 7 + 10 x - 3 x^2. By signing up,...