80 Answered Questions for the topic Sequence

06/20/19

#### Mathematics Sequence

The population of a particular city begins at 2,500 and doubles every year. What is the population in the city after 9 years?

05/30/19

#### What is the missing number in the sequence? 1, 10, 7, 16, __, 7

Ppossible answers.A. 10B. 13C. 14D. 25

04/26/19

#### Find the Maclaurin series for f(x) = cos(x^2) and use it to determine f^ (8)(0).

Find the Maclaurin series for f(x) = cos(x2)and use it to determine f (8)(0).

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 + ...

04/03/19

#### Write the given series in summation notation..

125/9 + 625/16 + 3125/25 + 15,625/36 + ...
∞
n = 1

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?

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

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

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.

02/28/18

#### What is the difference between 20th and 30th elements of s

sequence s is defined as
Sn = sn-1 +20

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?

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 = ?

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 =

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...
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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.

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.

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...
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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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