138 Answered Questions for the topic Arithmetic Sequence

Find a1 if s20=450 d=5

I'm having trouble figuring out what to do with this...

Given the first term a1, and the common difference d of an arithmetic sequence, find the next five terms. a1= 6a+2, d= 3-2a

Find the term of 2,6,10,14,...?

Algebraic form of 5 8 11 14

5,8,11,14Position=1 2 3 4Term =5 8 11 14 Xn=

Terms,Arithmetic sequence

The 16th term of an arithmetic sequence is 67 and the 301st term of the same sequence is 1207 (a) calculate the common difference and the first term(b) simplify the formula for the general term(c)... more

Geometric sequence

 Let x-2, x, x+3 be the first 3 terms of a geometric sequence. Find the value of x.. Please help, been trying to do this for hours and cant come uyp with a good answer, any help would be extremely... more

The sum of first 6 terms of an arithmetic sequence is 99.its 6th term is 39.what is the sum of its 3rd and 4th terms?

10th  class, scert, first terminal examination 2018-2019

arithmetic sequence question !!!

Assume that a1,a2,a3,....ak form an arithmetic sequence. If we have a5 + a8 + a11 = 10 , a7 + a10 + a13 = 12  , and ak=11 , the k=      ????    

Arithmetic series/sequence simple problem

  I have to use term or sum arithmetic series/sequence formulas to solve the 3 parts of this problem, but I don't understand how to convert the numbers provided into a usable equation.   An... more

What is the common difference in the arithmetic sequence -2, -5, -8, -11, -14?

What is the common difference in the arithmetic sequence -2, -5, -8, -11, -14?

If S19 = 570 and A1= -6 in an arithmic sequence find d, and A30

If S19 = 570 and A1= -6 in an arithmic sequence find d, and A30

what is the 25th term of the arithmetic sequence 3,7,11,15,19

Using an=a1+(n-1)d

Find the indicated terms in each arithmetic sequence.

4, -1, -6, -11, ... a10=  a16= a20= a25= a29=  

-4,-2,0,2 i a arithmetic sequence?

-4,-2,0,2 is a aritmetic sequence? Explain

Find the arithmetic sequence.

a) Find the sum of the first 70 terms of the arithmetic sequence: 22, 19, 16, 13, …b) Find the sum of the first 95 terms of the arithmetic sequence: -17, -12, -7, -2, …c) Find the sum of the first... more

What is the next fraction in this sequence? Simplify your answer.

11/28   1/2  17/28  5/7    

Algebra 2 - Arithmetic

2+4+10+___+142. It's arithmetic and I need to show work. I don't understand how to do it.
1 3 4 5 6

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