98 Answered Questions for the topic Sequence

Sequence Calculus

04/03/19

Compute the partial sums S2, S4 and S6 of the following sequence.
1/9*15 + 1/15*21 + 1/21*27 + 1/27*33 + ...
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Sequence Calculus

04/03/19

Write the given series in summation notation..
125/9 + 625/16 + 3125/25 + 15,625/36 + ... ∞ n = 1
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Sequence

12/06/18

f(1) = 5, f(n) = (−8) · f(n − 1) + 15
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Sequence Series

08/10/18

nth term of 0,1,1,2,2,3,3...
sequence problem
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Sequence Series

06/25/18

If the first term of an infinite geometric series is equal to twice of the sum of all the terms that follows it, then the value of r is?
1/3, 1, 1/2 or 2? how?
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Sequence Series

06/25/18

If a4= 4 of an AP then find the sum of first 7 terms of the corresponding arithmetic series
If im given with the 4th value and the total terms how do I solve without a1 or an and d  
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Sequence

06/10/18

How do I find the sum of the first 11 terms of the sequence 768,384,192,96...
I need help figuring out this sequence 
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Sequence

04/06/18

This sequence firm term is equal to four, and the value of each term after the first term is two times greater than the previous term.
This is an a word problem but I cannot find the pattern of the problem. I'm also having trouble finding the pattern and who much it's increasing.
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Sequence

02/28/18

What is the difference between 20th and 30th elements of s
sequence s is defined as Sn = sn-1 +20
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02/19/18

what's the explicit formula to the sequence 1/2 , 1 , 3 , 12 , 60 , 360 , 2520 , ...?
what's the explicit formula to the sequence 1/2 , 1 , 3 , 12 , 60 , 360 , 2520 , ...?   Multiplies by one larger number each time but how to put that into an explicit formula?
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Sequence Math

02/10/18

Express 7.765765765 as a rational number, in the form p/q where p and q have no common factors.
Express 7.765765765... as a rational number, in the form p/q where p and q have no common factors. p = ? q = ?
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Sequence Math

02/10/18

If the eighth term of a geometric sequence is -49152, and the eleventh term of an geometric sequence is -3145728 what is the first term and the common ratio?
If the eighth term of a geometric sequence is -49152, and the eleventh term of an geometric sequence is -3145728 its first term a1= and common ratio r = 
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Sequence

02/07/18

If a(n)=a(n-1)*(n-2)^2, what is the formula for a(n) without knowing a(n-1)?
I know that the n-th term of a geometric sequence (with initial value 'a' and a common ratio 'r') can be calculated as: an=ar(n-1). How do you calculate the nth term however, if 'r' itself is... more
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Sequence

01/26/18

A sequence is given by 21/2,7,14/3... If the nth term is 56/27. Find n
Find n. 
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Sequence

12/11/17

Finding r in an infinite geometric sequence.
The first two terms of an infinite geometric sequence, in order, are 2log2x, log2x, where x > 0. Find r.
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Sequence

12/07/17

Consider a geometric sequence where the first term is 768 and the second term is 576.
6. Consider a geometric sequence where the first term is 768 and the second term is 576. Find the least value of n such that the nth term of the sequence is less than 7.
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Sequence

10/10/17

The first three terms of an arithmetic sequence are 36, 40, 44, ...
7a. The first three terms of an arithmetic sequence are 36, 40, 44, ...  (i) Write down the value of d.  (ii) Find u8 . 7b.  (i) Show that Sn = 2n2 + 34n.  (ii) Hence, write down the value of... more
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08/17/17

in an arithmetic sequence the 3rd term is 16 the 7th is 34 find the 1st term common difference and 12th term
Please answer as soon as possible!😞 This is for my friend and not for me 😅 Its her exam tomorrow 😕 Thank you do much in advance!😁💓
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Sequence

08/01/17

The population of a certain province increases by 10% each year. What will be the population of the province after five years from now if it is now 200,000?
Help pls for assignment what formula will i use arithmetic or geometric
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05/07/17

(a,b,c,d) the first three one is arithmetic sequence and the last three one is geometric sequence. d-a=3 b+c=?
Please can anyone solve this realy hard sequence problem?
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Sequence

04/11/17

Nth term of sequence 1, 3, 15, 61, 213
Nth term of sequence 1, 3, 15, 61, 213 and also 6th term ...thx
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Sequence Precalculus

04/04/17

Find the sum of the first 9 terms of the sequence.
Show all work. 2, -7, -16, -25, ...
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Sequence

03/08/17

C(n)=-6+5(n-1)
What is the 8th term in the sequence can you help me out with this problem
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Sequence Algebra Series

12/25/16

2!/7 + 3!/14 + 4!/21 + ... + (n+1)!/7n
Express the sum using summation notation. Thank you.
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Sequence

12/01/16

First Term of Seq. 1
what is the first term of the sequence An = -n2  and n≥1??   Please Help Solve with step by step solution to problem and the final solution.
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