206 Answered Questions for the topic Sequences

Sequences

03/19/15

find the sum of s100 for An= 5n + 3
find the sum of s100 for An= 5n+3
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Sequences Limits Maths Math Help

02/15/15

Limits of sequences, please help!
limn->infinite[ (-1)n/(n3-12)}  I dont know what to do with (-1)n, if it's equal to infinite then if I divide by n3, it's infinite over infinite. I dont understand :S. And the question is if... more
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01/30/15

Write a formula for the general term
Write a formula for the general term (the nth term) of the arithmetic sequence. Then use the formula for an to find a20, the 20th term of the sequence.   2, 5, 8, 11,....   an =      ?      
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01/30/15

Write a formula...
Write a formula for the general term (the nth term) of the geomteric sequence. Then use the formula for an to find a7, the seventh term of the sequence. 3, 15, 75, 375   NOTE: The system tells me... more
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01/30/15

Please help solve!
There are two unmarked buckets by a stream.There are two unmarked buckets by a stream. the buckets hold 19 and 8 gallons of water respectively. How can 14 gallons of water be obtained, to take... more
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01/30/15

There are two unmarked buckets by a stream.
There are two unmarked buckets by a stream. the buckets hold 19 and 8 gallons of water respectivelY. how can 14 gallons of water be obtained, to take home? complete the sequence below, the numbers... more
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12/09/14

Find the sum
a. Find the sum 4,(4/3),(4/9),(4/27),(4/81)   b. Find the sum of the first 70 terms     Please explain both answers in detail
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Sequences

12/04/14

the sum of three consecutive numbers is 60. Find the numbers.
find three consecutive numbers whose sum is 60.  I tried this problem and keep getting it wrong.  Please help!
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Sequences Sequence

12/02/14

How do you find the first four terms of the sequence?
f(1)=6, f(n)=1/f(n-1) for n>2
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11/29/14

k/sigma/n=0 *n^2= k(k + 1)(2k + 1)/6 is correct for k = 1, 2, and 3. (Fact: the formula works for all positive integers k.)
k/sigma/n=0 *n^2= k(k + 1)(2k + 1)/6is correct for k = 1, 2, and 3.(Fact: the formula works for all positive integers k.)
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11/29/14

List the first six terms of the sequence defined recursively by (1) z1 = 0, z2 = 1, z3 = 2, and (2) for m = 4, zm = zm-1 + 2zm-2 + 3zm-3.
Completely lost
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Sequences Trigonometry

11/16/14

Cards of Deck Probability
A.One card is drawn from a standard 52 card deck. Find the probability that it is a 7 or a Jack if drawing is done with replacement.   B.Two cards are drawn from a standard 52 card deck. Find the... more
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Sequences Trigonometry

11/16/14

Cards of Deck
One card is drawn from a standard 52 card deck. Find the probability that it is a 7 or a Jack if drawing is done with replacement.
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Sequences Trigonometry

11/15/14

The nth term
Write the nth term of the sequence as a function of n.   (1/3),(-1/6),(1/12),(-1/24)+......
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Sequences

11/12/14

The first term of an arithmetic series is a and the common difference is d. The 18th term is 25, and the 21st term is 32.5
a) Find the general equation for the sequence.   b) Find the value of n which gives the sum of 2750.
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10/30/14

Math Pre Calc 11 Series and Sequences
nico receives a spruce tree from the school at the end of Grade 1. It grows at a rate of 25% per year. If the tree is 1 foot tall when Nico plants it, how tall will the tree be in 12 years when he... more
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Sequences

10/23/14

Find the next three sequences
Please find the next three numbers in the sequenceThe sequence is ...3 , 4 , 7 , 11 , 18 , 27 , __ , __ , __.please look at the sequence carefully, and I would also appreciate if you could also... more
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Sequences

10/22/14

Please find the next three numbers in the sequence
The sequence is ...3 , 4 , 7 , 11 , 18 , 27 , __ , __ , __.please look at the sequence carefully, and I would also appreciate if you could also give me the rule of how you found it.
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Sequences

10/05/14

Sequence Pattern Help????
    The sequence pattern goes like this   k,k-1,k-2,k-3, k-4.......etc   let say you plug in a number, let say k = 8  The sequence is 8,7,6,5,4   Then a question ask what will be the nth... more
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Sequences

05/08/14

Find the 20th term for the arithmetic sequence in which a1=3 and d=7
find the 20th term for the arithmetic sequence in which a1=3 and d=7
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Sequences

02/18/14

Find the common difference of the sequence shown. , , , ...
find the common difference of the sequence shown .   1/6 , 1/4 , 1/3
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Sequences Math

02/10/14

Determine the 2010th term for the following sequence: 1,2,3,6,7,14,15,30,31,62,63
I need the steps used to figure out the equation.
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Sequences

02/09/14

6th term to the sequence 240,120,60
please answer me i really need help on my homework
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01/29/14

POM TRI Triangles & Sequence RULE Question. Please help
Jo constructs triangular patterns using dots. Pattern 1 (has 3 dots forming a triangle) Pattern 2 (has 6 dots forming a larger triangle) Pattern 3 (has 10 dots forming an even larger triangle) The... more
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Sequences

11/15/13

What is the next number in this sequence 7 21 8 72 9
What is the next number in this sequence 7 21 8 72 9.....I need to answer this question for a test and math has been a long time ago.  What is the best way to relearn math sequences and probability... more
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