168 Answered Questions for the topic Sequences

Sequences

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.

Sequences

07/30/18

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

please help need answer asap!!!

Sequences Math

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...
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Sequences Math

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...
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Sequences Math

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?

Sequences

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

Sequences Algebra 2

05/03/18

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

Sequences

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

Sequences Series And Sequences

03/07/18

#### How do I finals out the arithmetic from the geometric

the sum of three consecutive terms of an arithmetic sequence is 30 when these terms are increased by 2,5 and 28 respectively. the resulting numbers are a geometric sequence. determine the terms?

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?

Sequences

01/19/18

#### is -64,-16,-4 an arithmetic sequence, geometric sequence or neither?

is -64,-16,-4 an arithmetic sequence, geometric sequence or neither?

#### Limits of sequences and series

How do I go about proving limits for given sequences and series, for example how would i prove that the limit when x tends to infinity of n^(1/n)=1?

01/02/18

#### A sequence has a common ratio

A sequence has a common ratio of R=-2 so if G3=7 what is G5?
A. 3
B. -14
C. 28
D. -28

01/02/18

#### A sequence has a common difference

A sequence has a common difference of D=-4 so if A2=-5 what is A5?
A. -9
B. -13
C. -17
D. -21

Sequences

12/17/17

#### It's about sequences. Help me please !!

if an = 1,1,2,1,2,3,1,2,3,4,1,2,3,4,5,... find the value of a5060
How can I solve?

Sequences

12/09/17

#### What is the next number?

3 4 6 9 13 18 24. Is it 29,31,32,33?
what is the next number
3 6 4 8 6 12 10
is it 08 12,18,20
thank you for the help.
Terri mand

Sequences

11/29/17

#### A sequence is defined recursively by the given formulas. Find the first five terms of the sequence. an = 2an − 1 + 2 and a1 = 4

a2=
a3=
a4=
a5=

Sequences

11/27/17

#### Does f(n)=2n-10 define the sequence -8, -6, -4

trying to find the function that defines sequence -8, -6, -4

Sequences

11/27/17

#### Does f(n)=2n-10 define the sequence -8, -6, -4

Does f(n)=2n-10 define the sequence -8, -6, -4

11/25/17

#### What is the sequence of transformations that maps △PQR to △P′Q′R

The coordinates of the vertices of △PQR are P(4, −2) , Q(6, −4) , and R(8, 0) .The coordinates of the vertices of △P′Q′R′ are P′(−4, 3) , Q′(−6, 5) , and R′(−8, 1) .A sequence of transformations...
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#### Determine whether the sequence converges or diverges. If it converges find the limit.

an=e(-1/sqrt(n))
Apparently in converges and the limit is 1 but I'm not really sure how to do this type of problem with a limit of ex
{n2e-n}
Limit converges to 0? How?

Sequences

11/01/17

#### can someone help me?

the first, fourth and thirteenth terms of an arithmetic series are consecutive terms in a (non-constant) geometric series. The sixth term in the arithmetic series is 78. find the first term and the...
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