★2.The number of terms in an arithmetic sequence is even.The sum of the odd and even-numberedterms are24and30,respectively.If the last term exceeds(超过)the first by10.5,the number of termsin the arithmetic sequence is ()(A)2(B)4(C)6(D)8★29.The number of terms in an ...
The number of terms in an arithmetic sequence is even. The sum of the odd and even-numberedterms are 24 and 30, respectively. If the last term exceeds (超过) the first by 10. 5, the number of termsin the arithmetic sequence is( ).(A)2(B)4C)6D)8 ...
Or the formula can be used to find the total number of terms: (35–5)÷5+1=7.结果一 题目 【题目】Given an arithmetic sequence: 5, 10, 15, ., 30, 35, find the total number of terms in this sequence. 答案 【解析】7.相关推荐 1【题目】Given an arithmetic sequence: 5, 10, 15...
Calculate the number of terms in each of the following arithmetic sequences.a,a+d,a+2d,,a+(n-1)d 相关知识点: 试题来源: 解析 n 结果一 题目 【题目】Calculate the number of terms in each of thefollowing arithmetic sequences.a,a+d,a+2d,..,a+(n-1)d 答案 【解析】n 结果二 题目 ...
百度试题 结果1 题目 In Exercise, determine the sum of the arithmetic sequence. The number of terms, n, is given.0.5, 0.75, 1.00, 1.25,…, 5.25; n=20 相关知识点: 试题来源: 解析 57.5 反馈 收藏
百度试题 结果1 题目What is the 10th number in the arithmetic sequence 1, 5, 9, 13, 17, ⋯( ).A. 37 B. 38 C. 101 D. 201 相关知识点: 试题来源: 解析 A (10−1)×(5−1)+1=37.反馈 收藏
(1988 AMC 8 Problem, Question #19) What is the 100th number in the arithmetic sequence 1, 5, 9, 13, 17, 21, 25, ⋯ ?( )A. 397 B. 399 C. 401 D. 403 E. 405 相关知识点: 试题来源: 解析 A 1+(5−1)×99=397.反馈 收藏 ...
the sum of which is 300. Explain the answer. Video SolutionText SolutionGenerated By DoubtnutGPT To find the number of terms in the series 20,1913,1823,… whose sum is 300, we can follow these steps: Step 1: Identify the first term and common differenceThe first term A of the series ...
To find the number of common terms in the sequences 1,5,9,… (up to 100 terms) and 4,7,10,… (up to 100 terms), we will follow these steps: Step 1: Identify the first sequenceThe first sequence is an arithmetic progression (AP) with:- First term a1=1- Common difference d1=...
The numbers below follow the arithmetic sequence, what is the 7th number? 根据以下的等差数列,问第7个数是什么? 58、51、44、37、30、⋯相关知识点: 试题来源: 解析 16. 58−51=7, 51−44=7, 44−37=7, 37−30=7, ⋯, ∴30−7−7=16....