 168 Answered Questions for the topic Sequences

04/15/16

#### A game involves rolling a fair six-sided die. If the number facing upward on the die is a whole number multiple of three, the player wins an amount equal to the

A game involves rolling a fair six-sided die. If the number facing upward on the die is a whole number multiple of three, the player wins an amount equal to the number on the die times \$20. If the... more
Sequences

04/08/16

#### An=2An-1+An-2

find the next four term of the term of the sequence  A 3 A4 A5  A6 A8
Sequences Sequence Series

02/14/16

#### Formula nth term series 4,9,16,25

Hello, could you help me find the formula for this series, please? How do I go about it?  4,9,16,25,...I know it starts with adding 5 and adding 2 more with every number, so adding 7 next, then 9,... more
Sequences

01/19/16

1,1,2,3,5,8
Sequences

12/29/15

#### Consider two different arithmetic sequences

Consider two different arithmetic sequences: 3, 14, 25, 36,47,58,69,80, successively by 11 and 2, 9, 16,23 successively by 7. What are the first 10 numbers which appear in both sequences
Sequences

12/13/15

#### (College Precalc) Arithmetic Sequences - Finding the sum given two random terms

A finite arithmetic series has 90 terms with a5=182 and a86=291.6. What's the sum of the series?   I have no idea where to begin. I know to find the sum when I'm given the first few terms and the... more
Sequences

11/18/15

#### Vivian wrote the following math sequence, 8,16,32,64,108. Using the multiply by 4 rule what is the next number

why dud they use the multiply by 4 rule
Sequences

11/18/15

#### Formula to find a1 from an=a1+(n-1)d

Need help with the above equation
Sequences

10/19/15

#### f(1) =1 and f(n)=2*f(n-1) +1 for each whole number greater than 1

help with math problem
Sequences

10/13/15

#### how many people have heard the rumor by the end of saturday?

on sunday, bill heard a rumor. on monday, he called jan & stan to tell them the rumor. on tuesday, jan and stan each called two of their friends to tell them the rumor. those people then each... more

09/22/15

#### We have to recurrence relation an = 2an-1 - an-2. Find a2 and a3 if

We have to recurrence relation an = 2an-1 - an-2. Find a2 and a3 if:   a) a0 = 1 og a1 = 0?   b) a0 = 0 og a1 = 1?   c) a0 = 1 og a1 = 2?

09/22/15

#### Solve this recurrence relation and find a2 and a3?

We have to recurrence relation an = 2an-1 - an-2. Find a2 and a3 if:   a) a0 = 1 and a1= 1? b) a0 = 0 and a1 = 0?

08/08/15

#### How many terms are in the sequence -83, -66, -49, -32,...597

Not sure where to begin in order to solve this question... I have no idea how to do it
Sequences

07/25/15

#### What is the 10th term in the sequence 1,8,27,64

Its a sequence and have been stuck on it for ages

07/19/15

What is 32nd term if given the following      X                 Y   1                  1 2                  3 3                  6 4                  10     Please help!!!!. I can see... more
Sequences Sat Math Sums

07/17/15

Sequences

07/05/15

#### Find a formula for the general term an of the sequence (starting with a1): {-425,536,-649,764,…}.

I want to know the answer for this question Find a formula for the general term an of the sequence (starting with a1):{−425,536,−649,764,…}.
Sequences

07/02/15

#### sequences topic

two cars start together int he same direction from the same place. the first goes with the uniform speed of 10 m/h .the second goes at speed of 6 m/h in the first hour and increases the speed by... more
Sequences

07/02/15

#### sequences topic

if 1/2 of the air in a tank is removed with each stroke of a vacuum pump ,what fraction of the original amount of air has been removed after 4 strokes    (a)... more
Sequences

07/02/15

#### sequences topic

a company sales is described as Sn=2Sn-1 +Sn-2 +1 units , Sn represents the nth sale. if the company experienced a jump in a sale by 70 units between 4th and 5th sale .how many will it sell in the... more
Sequences

07/02/15

#### sequences topic

(1) the digits of a positive integer ,having 3 digits when taken in order are in arithmetic progression and their sum is 18 .the number obtained by reversing the digits is 396 less than the... more
Sequences

06/29/15

#### if the series is given as a,b,b,c,c,c,d,d,d,d ....then which term will replicate u?

(a)200 (b)210 (c)215 (d)229 (e)232
Sequences

06/04/15

#### How to obtain the sum?

Find the sum of the first seven terms of the sequence. 3, 3/2, 3/4,... 3/8, 3/16, 3/32, 3/64So i get that the LCM is 64 but how do i find the sum of all the 3's? Thanks
Sequences

05/31/15

#### Find the following sum: 1+2+4+8+...+2^k-1

I need help finding the next terms after 2^k-1
Sequences

05/29/15

an=-n2;a15

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