157 Answered Questions for the topic Sequences

09/06/19

A probability question with sequences

A sequence of numbers X1, X2,... are produced by taking a random number from the set {1,2,3...n}.The summation Sk is defined to be X1+X2+...+Xk.Which of the following is a correct expression for... more

08/31/19

Pre Calculus 11 - Arithmetic Sequences

Violin lesson fees started at $46 per hour in January, 1990, and gradually increased by $2 .50 every year. How much is the hourly cost in January of 2014? Hint: It’s not a good idea to just apply... more

08/11/19

find the first four terms of the sequence given a n + 1 = a n + n

a. -9, -6, -4, 0b. -9, -7, -4, 0c. -9, -5, -4, 0d. -9, -5, -4, -1

05/23/19

Write the first five terms of the sequence defined recursively.

a0=-13, a1=13, a_k-2 +a_k-1

05/01/19

Sequences in Sequences

How would you find the sum of the sequence:0,4,12,24,40,60,...,760whose terms increase based on the arithmetic sequence:4,8,12,...It seems similar to triangular numbers.How would you find the sum... more

04/04/19

Write the first 5 terms of the sequence

a0=1 an=an-1-2have to find the first five terms

04/03/19

Find the sum of the infinite series below.

1/3*7 + 1/7*11 + 1/11*15 + 1/15*19 ...

04/03/19

Compute the partial sums S2, S4, and S6.

∞ 7 / (n+1)! n = 1

10/06/18

What is the difference between the graphs t(n)=2(3)^n and f(x)=2(3)^x

Both equations are to be graphed on the same axis but aren’t they both the same?

10/02/18

what is 80$ increased by 5% a month for 12 months

 Receiving allowance of 80$ for the first month increased by 5% for each month after (for 12 months)

09/27/18

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=      ????    

09/10/18

what is the next fraction in this sequence? simplify your answer

1/3, 7/15, 3/5, 11/15....

09/08/18

h=-5 and w= 2 work out the value of 4h- 3w

i am really upset i can seem to solve it heeeeeeeeeeeeeelp me 

09/05/18

Find the nth term of the sequence 1,4,9,16,25,36

 I just need help oops

08/08/18

Rule Sequences

Find rule of sequence for -2,6,-12,20,-30 Plz help me.thx

08/08/18

Find Sequences

-2,6,-12,20,-30. Find sequence?? Please help me.thx

08/08/18

If n+5, 2n+1 and 4n-3 are consecutive terms of an arithmetic sequence, find n.

If n+5, 2n+1 and 4n-3 are consecutive terms of an arithmetic sequence, find n.

07/30/18

Enter a recursive rule for the geometric sequence. 3, −12, 48, −192, ... a1= ; an=

please help need answer asap!!!

07/17/18

Sequences - Need help for exam question!

The following terms are given: U1 = 196830  U4 = 7290 and U7 = 270   The starting term is U0   Is this an arithmetic or geometric sequence? Motivate your answer.   I tried finding the common... more

07/17/18

Sum of an arithmetic sequence

The direct formula of a sequence is given by Vn = 7 + 3n   Compute using the sum formula: (sum sign) 16 above and n=8 below. (7+3n)   The answer I got = 55 + 31/2 • 9 = 387   Is this... more

07/16/18

Arithmetic Sequences - Question

An arithmetic sequence starting at 4 and a common difference of 4.   What will the answer be at "a359" term?    

05/30/18

What is the next number in the sequence 3,-6,12,4,20

Options are 13 14 6 16

05/22/18

if (1+x),(5/6+x),(13/18+x) are 3 consecutive term of a G.P Find it common ratio

SEQUENCES AND SERIES G.P

05/03/18

For the series shown, find n such that Sn = -4290. 42+34+26+18+

Sequences

04/20/18

Word problem

The first  three  terms  of  an   Arithmetic Progression are ( x + 1 ), ( 4x - 2 ) and ( 6x - 3).If the  last  term  is 18, find x
1 3 4 5 6 7

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