11. There is a sequence. From the second number, each number is equal to the result of its previous number multiplied by 2 and then plus a. If the sixth number is 70 and the ninth number is 609. So what is the value of a?Answer: 相关知识点: 试题来源: 解析 优质解答 反馈 ...
In a certain sequence of 8 numbers, each number after the first is 1 more than the previous number. If the first number is, how many of the numbers in the sequence are positive? 选项: A、None B、One C、Two D、Three E、Four
2 10.Consider the sequence 1,3,4,7,11,18,29……,in which each term is the sum of the two previous terms after the first two terms. How many of the first 100 terms of this sequence are multiples of 5?Answer:( ). A.10 B.7 C.2 D.0 310. Consider the sequence 1,3,4,...
In the sequence 1, 2, 4, 8, 16, 32, …, each term after the first is twice the previous term. What is the sum of the 16th, 17th, and 18th terms in the sequence? 选项: A、 B、 C、 D、 E、 答案: E 提问列表 提问:
3, 4.5, 6, 7.5,…Each term in the sequence above is formed by adding the positive number k to the preceding term. Quantity A The eighth term in the sequence above Quantity B 14 A.Quantity A is greater. B.Quantity B is greater. ...
The math problem described a sequence where each number is three times the previous one. If the first number is 2, then the third number should be ___. A. 6 B. 12 C. 18 D. 24 相关知识点: 试题来源: 解析 C。解析:第一个数是2,按照规则,第二个数是2×3 = 6,第三个数则是6×...
In the sequenceSof numbers, each term after the first two terms is the sum of the two immediately preceding terms. What is the 5th term ofS? The 6th term ofSminus the 4th term equals 5. The 6th term ofSplus the 7th term equals 21. ...
You are told that, in a certain sequence of numbers, each number after the first is 7 less than twice the preceding number, and that the third number in the sequence is 23. For each answer choice, find the third term of the sequence until you get 23 as the third term.~A. The seco...
这是一道GRE数学题,没明白,In a certain sequence of numbers,each term after the first term is found by multiplying the preceding term by 2 and then subtracting 3 from the product.If the 4th term in the sequence is 19,which of the following nu
In a certain sequence, each term after the first term is one-half the previous term. If the tenth term of the sequence is between 0.0001 and 0.001, then the twelfth term of the sequence is between_出国考试答疑器_GMAT_试题_Problem Solving