有一道sat的试题麻烦解答一下 The 3rd term of a geometric sequence is -3,and the 6th term is （八分之三.）what is the 4th term of the sequence?

来源：学生作业帮助网 编辑：作业帮 时间：2024/05/03 10:31:22
有一道sat的试题麻烦解答一下 The 3rd term of a geometric sequence is -3,and the 6th term is （八分之三.）what is the 4th term of the sequence?

有一道sat的试题麻烦解答一下 The 3rd term of a geometric sequence is -3,and the 6th term is （八分之三.）what is the 4th term of the sequence?
有一道sat的试题麻烦解答一下 The 3rd term of a geometric seq
uence is -3,and the 6th term is （八分之三.）what is the 4th term of the sequence?

有一道sat的试题麻烦解答一下 The 3rd term of a geometric sequence is -3,and the 6th term is （八分之三.）what is the 4th term of the sequence?
geometric sequence是等比级数 第二个数字是第一个乘以某个数字a,ar,ar^2 (表示r的2次方),ar^3,ar^4,ar^5 ...
第三个是ar^2 = -3;
第六个是ar^5 = 3/8;
那么第六个除以第三个 就是r^3 = -1/8
r就是-1/2
所以第4个sequence就是ar^2 * r = (-3) * (-1/2) = 3/2 或者1.5

有一道sat的试题麻烦解答一下 The 3rd term of a geometric sequence is -3,and the 6th term is （八分之三.）what is the 4th term of the sequence? 一道SAT语法题麻烦会的盆友解答一下,to be elected在句子里是什么成分呢?：the first Asian American to be elected givernor in the United Sates,George Ariyoshi of Hawaii has served longer ahtn any of his predecessors when he retir 化学的试题,会的大哥大姐麻烦帮帮忙解答 请问一下谁知道高一化学试题有会的人说下嘛,打心底麻烦大伙9b 请问一下大家谁知道高一化学试题有会的人说下嘛,打心底麻烦大伙2f 还有一道程序题麻烦你帮我解答一下答案选的是a 一道数学计算题!麻烦各位帮忙解答一下! 一道高一数学 麻烦老师解答一下 求高手解答一道电工学试题!跪求啊请写好详细的步骤， SAT模拟试题哪里有啊?有没有比较好的SAT模拟试题,我手头的SAT模拟题不多,请大家提供一些, 麻烦问一下美国的帕切利高中有多少国际生啊?它的SAT平均成绩是多少? 一道SAT生物题 麻烦翻译 并且解答一下 谢谢A cattle breeder wanted a line of “pure breeding” roan cattle. Would it be possible to have such a line? Why or why not? 麻烦大家解答一下 麻烦解答一下,急! 麻烦帮忙解答一下! 求高手解答 SAT一道IP题目 谁有云南省高中化学奥赛试题?麻烦各位给我提供一下云南省高中化学奥赛试题!最好是近几年的!不胜感激! 问一下大家觉得新东方的《SAT综合指导与模拟试题》这本书怎么样?SAT学习有没有帮助?例题可好?是否和真题出题思路相似?新东方上课真的是用这本的吗?