If each term of the sequence (a1,a2,.,an) is either 7 or 77,and the sum of the sequence is 350.Which of following could be the value of A 45 B 42 C 40 D 39 E 36

A math-problemafter the first term,each term in a sequence is 3 greater than 1/3 of the preceding term.If t is the first term of the sequence and t is not equal to 0,what is the ratio of the second term to the first term? 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 着句话怎么翻译?Whereas If each term of a progression differ from its preceding term by a constant 一道SAT数学题,要说出题目的意思和答案详解the first of a sequence of numbers is 1.If each term after the first product of -2 and the preceding term,what is the sixth term of the sequence第一题答案是-32 是对的，这里还有 If each term of the sequence (a1,a2,.,an) is either 7 or 77,and the sum of the sequence is 350.Which of following could be the value of A 45 B 42 C 40 D 39 E 36 不过是英文的In a sequence of 10 terms,the first term is 1,the second term is X,and each term after the second is the sum of the previous two terms.For example,if X=11,the sequence would be 1,11,12,23,35,58,93,151,244,395.For some values of X,th 一道很简单的sat数学题!The first term in the sequence above us a,and each term after the first is 3 times the preceeding term.If the sum of the first 5 terms is 605,what is the value of SAT1数学的几个问题.新版OG的第四套题的section6中的14题.我得5,它得6,为啥.the first term in the sequence above is a,and each term after the first is 3 times the preceding term.if the sum of the 5 terms is605,what is the value of S$5500 for each completed month of apprenticeship if you terminate your apprenticeship during the Term on or after the commencement of the fifth month of your apprenticeship.不要网上的 the new term .All the students.each other.a lot of rooms in it.的中文翻译 the term of education At the end of each term ,we have a final e_____高手帮忙! 3,5,-5,…The first term in the sequence of numbers shown above is 3.Each even-numbered term is 2 more than the previous term and each odd-numbered term,after the first,is -1 times the previous term.For example,the second term is 3+2,and the third te The mid-term exam is coming .Each of the students （）（study）for the exam at present 动词填空 Our long-term goals mean a lotA.If we cannot reach solid short-term goalsB.If we complete the short-term goalsC.if we have dreams of the futureD.if we put forward some plans At the end of every term a schoolmaster ______on each of his pupilsA) discusses B) says C) reports D) tells At the end of every term a schoolmaster ______on each of his pupilsA) discusses B) says C) reports D) tells SAT数学题啊各种求解释和解答 3,8,18……In the sequence above, the first term is 3 and each term after the first term is twice the sum of the preceding term and 1. For example, 8=2(3+1). What is the value of the first term of sequence th