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October 20, 2014

Search: PreCalc - Sequence

Number of results: 2,192

PreCalc - Sequence
A ball is dropped from a height of 20 ft and always rebounds 1/4 of the distance fallen. A. write a sequence for the first 3 rebound heights B. How high is the 6th rebound? C. Find the sum of all possible rebounds. I keep getting numbers that are too high. I don't think I have...
July 27, 2011 by Joe

precalc
Determine whether the sequence is geometric or arithmetic. Then give the general formula for the nth term of the sequence. 6.1, 6.9, 7.7, 8.5, 9.3,... I think it is Geometric, but i don't know how to find the formula
December 5, 2011 by Alex

precalc sequence
5-5^2 = 5-25 =-20 The fifth term is just when n=5 I believe. What is the fifth term of the sequence a sub n=5-n^2? a)-11 b)-20 c)-7 d)-5 I believe that the answer that fits the best is d, but I could be wrong
March 8, 2007 by Rom

PreCalc PLEASE HELP
Find the common ratio, r, for the geometric sequence that has a1= 100 and a8= 25/32
March 23, 2014 by Aly

PreCalc
Determine whether the sequence is arithmetic. If so, find the common difference. 4, 16, 64, 256, 1024
November 12, 2010 by gh

Precalc
Find the indicated nth term of the geometric sequence. 7th term a5: -2/81 a9: -2/6561 I know the formula is an= a1 r ^ n-1 but I can't figure out how to apply it
November 13, 2010 by Ande

Math
A sequence is formed by adding together the corresponding terms of a geometric sequence and and an arithmetic sequence.The common ratio of the geometric sequence is 2 and the common difference of the arithmetic sequence is 2.The first term of the new sequence is 1 and the ...
April 12, 2012 by Piwo

Precalc
The sides of a triangle form an arithmetic sequence with a common difference of 2. The ratio of the measure of the largest angle to that of the smallest angle is 2:1. Find the area of the triangle. Please help!
May 26, 2008 by Megan

Math
Alpha writes the infinite arithmetic sequence 10, 8, 6, 4, 2, 0... Beta writes the infinite geometric sequence 9, 6, 4, 8/3, 16/9,... Gamma makes a sequence whose n^th term is the product of the n^th term of Alpha's sequence and the n^th term of Beta's sequence: 10*9,8*6,6*4,4...
September 15, 2013 by Speedo

Math for Educators
The first difference of a sequence is 8, 12, 16, 20,... The sum of the first two terms of the original sequence is 14. Find the first three terms of the original sequence. The first term of the original sequence is? 4 What is the second term of the original sequence? 8 What is...
June 4, 2013 by Carol

geomatry
a sequence begins -4,1,6,11 find the rule that generates the sequence. Then give the 5oth term is the sequence. What type of reasoning inductive or deductive, do you use when solving this problem?
October 24, 2011 by manal

Biology
I am totally confused by what to do here: GGG CAT GGT CCT ATT TAC DNA coding strand sequence: DNA non-coding strand sequence: mRNA sequence: Amino acid sequence:
October 31, 2007 by Jen

Algebra
True or False 1. – 5, – 5, – 5, – 5, – 5, … is an arithmetic sequence. 2. In an arithmetic sequence, it is possible that the 13th term is equal to its 53rd term. 3. In an arithmetic sequence, the common difference is computed by subtracting the first term from the second term ...
September 9, 2014 by Ruby

PreCalc
1) Determine the value of r (put this number in the first blank) and then determine the value of the 10th term of the geometric sequence. Do not use any decimals or mixed numbers in your answers. Reduce all fractions to lowest terms. a1 = 2 and a4 = −1/4 2)Find d and ...
July 16, 2012 by Anonymous

math
The 3rd term in an arithmetic sequence is 12, the 7th term is 24, a) How many common differences are there between a_3 and a_7? b) What is the common difference of the sequence? c) What is the first term in the sequence? a_1 d) What is the expression for this arithmetic sequence?
May 21, 2014 by edwin

Math 12
sum of 2nd and 5th terms of a geometric sequence is 13. the sum of the 3rd and 6th is -39. determine: a) the ratio "r" of the sequence b) the first term "a" of the sequence
January 5, 2011 by Serina

math
the ninth term of an arithmetic sequence is 23 and the 33rd term of the sequence is -241 , calculate the sume of the first 15 terms of the sequence , using the formula s=n(2a+(n-1)d)/2
December 18, 2011 by Poppy

Biology
pair up your nucleoide sequence with the mRNA sequence then you will find from the amino acids in the codons what amino acids are present in the lactase production. Each dna sequence coincincids with the appropriate mRNA sequence unless there is a mutation can someone please ...
April 7, 2007 by Anonymous

Sequence
What is the fifth term of the sequence a sub n = 1/3^n? a)1/12 b)1/81 c)1/243 d)1/15 If the sequence starts at n = 1 (there is no reason why it should) then it is 1/243
March 8, 2007 by raven 31791

Can someone help me?!
The 1st, 5th and 13th terms of an arithmetic sequence are the first three terms of a geometric sequence with a common ratio 2. If the 21st term of the arithmetic sequence is 72, calculate the sum of the first 10 terms of the geometric sequence.
January 3, 2013 by Jm

Science
The following DNA sequence represents a eukaryotic gene. Indicate which is the template and which is the coding strand, determine where transcription begins (assume it ends at the end of the sequence presented), write out the nucleotide sequence of the initial transcript and ...
March 7, 2012 by HomeworkHatesMe

algebra
can you check my answers please? What are the first three terms of the sequence: a1 = 3 and an = 2(an1)2? 2, 8, 18 3, 18, 648 --3, 32, 50 2, 6, 12, 24 What is the 14th term in the sequence: an = 4n + 13? -43 43 __> -69 69 What is the recursive rule for the sequence: −...
March 22, 2012 by Jennifer

Math (fibonacci
A sequence of numbers is called a Fibonacci-type sequence if each number (after for the first two) is the sum of the two numbers which precede it. For example, 1, 1, 2, 3, 5, 8 ... is a Fibonacci- type sequence. If 1985, x, y, 200 are four consecutive terms in a Fibonacci-type...
August 8, 2014 by Lexmo

Math - Geometry
Please help! Need to find the 6th and nth terms in this sequence - and solve for the rule or process. here's the sequence: 1,3,9,27,81 What is the process or formula to get the nth term in the sequence. Thanks!
October 17, 2010 by Daniel

SeQuEnCeS and SeRiEs: HELP PLZ!
The first three terms of the sequence -8,x,y,72... form an arithmetic sequence, while the second, third and fourth terms form a geometric sequence. Determine x and y.
January 4, 2013 by kazz

Math
1. Find the sum of the first five terms of the sequence 2/3, 2, 6, 18, ..... 2. Is this a geometric sequence? 2x, (4x-2), (6x-4), ..... 3. Show the equivalent values of the decimal 0.7575757575..... in fraction form. 4. What is the sum of the geometric sequence 4/3, 2/3, 1/3, ...
October 16, 2014 by Brianna

Math
first three terms of a geometric sequence are the same as the 1st, 9th and 11th terms of an arithmetic sequence, respectively. What is the common ratio in the geometric sequence ? Thanks!
May 12, 2012 by Matthew

Geomatic Sequence
In a geomatic sequence, the seventh term exceeds the fifth term by 1920. Find the sum of the first eleven terms if the common ratio of the sequence is 2.
October 1, 2012 by Nina

geomatry deductive reasoning
a sequence begins -4,1,6,11 find the rule that generates the sequence. Then give the 5oth term is the sequence. What type of reasoning inductive or deductive, do you use when solving this problem?
October 23, 2011 by manal

geomatry deductive reasoning
a sequence begins -4,1,6,11 find the rule that generates the sequence. Then give the 5oth term is the sequence. What type of reasoning inductive or deductive, do you use when solving this problem?
October 23, 2011 by manal

sequence
defining function is f(x) = 3x+b. If 27 is a member of this sequence, what is the next consecutive member of this sequence? PLEEEEAAAASEEE HELLLLP meeee f(x)=3x+b f(x+1)= 3x + 3 + b so there is a difference of 3 between numbers. Next number is 27 + 3
January 16, 2007 by Lori

Precalc
Hello, good afternoon. I need help with my precalc hw. we are learning about finding zeros I dont which method I should use for this problem: if i is a zero of x^3+3x^2+ix+(4+i) what do i do? synthetic divison? or long division? when i did long division i got a werid ...
October 14, 2008 by Samya

Math
1. Find the 12th term of the arithmetic sequence 2, 6, 10, … . 2. Solve for the 101st term of the sequence whose 1st term is x-y and d=2x+y-3. 3. In the sequence 2, 6, 10, … , what term has a value of 106?
June 15, 2014 by Annika

geometric sequence
The sum of the 2nd and 5th terms of a geometric sequence is 3.5. The sum of the 3rd and 6th is -7. Determine the ratio r of the sequence and the first term a.
September 27, 2014 by h

math sequence
the first 5 terms of a linear sequence are given below: 8,6,4,2,0... What is the 100th term in the sequence? A. -192 B. -190 C. -108 D. -90 I could figure this out in like 5 minutes, but I know there's a pattern I can't remember to figure it out quicker.
October 14, 2011 by robby

Math
Consider the sequence 2, 6, 18, 54,... Let n = the term number in the sequence. Let A(n) = the value of the nth term in the sequence. A(1) = 2 = 2 X 3^0 A(2) = 6 = 2 X 3 = 2 X 3^1 A(3) = 18 = 2 X 3 X 3 = 2 X 3^2 A(4) = 54 = 2 X 3 X 3 X 3 = 2 X 3^3 What is the relationship ...
January 28, 2014 by Anonymous

Algebra Help
Consider the sequence 2, 6, 18, 54,... Let n = the term number in the sequence. Let A(n) = the value of the nth term in the sequence. A(1) = 2 = 2 X 3^0 A(2) = 6 = 2 X 3 = 2 X 3^1 A(3) = 18 = 2 X 3 X 3 = 2 X 3^2 A(4) = 54 = 2 X 3 X 3 X 3 = 2 X 3^3 What is the relationship ...
January 28, 2014 by Anonymous

Biology
Convert the following DNA sequence into its RNA equivalent and then using the genetic code, convert that RNA sequence into the amino acid sequence. 5’–TACTTCTTCAAGACT-3’ For this above DNA sequence, what information is contained in the genetic code for the first and last...
April 13, 2009 by Sherri

Math
1. Find the sum of the first five terms of the sequence 2/3, 2, 6, 18, ..... My answer is 242. Am I right? 2. Which of these two sequences form a geometric sequence: 2x, 4x-2, 6x-4, ..... OR x+1, 2x+2, 5x+1, .....? Find the value/s of x and what is the sequenced formed? I ...
October 17, 2014 by Brianna

college
The first difference of a sequence is 6, 10,14,18. The sum of the first two terms of the original sequence is 24. Find the first three term of the original sequence. the first term of the original sequence is?
June 8, 2010 by KIM

Mathematics : Arithmetic Sequence
The 5th term and the 8th term of an arithmetic sequence are 18 and 27 respctively. a)Find the 1st term and the common difference of the arithmetic sequence. b)Find the general term of the arithmetic sequence.
September 7, 2008 by Charmian

Math
1. What are the next two terms of the following sequence? -3, 1, 5, 9... 2. What are the next two terms of the following sequence? -2, 4, -8, 16... 3. What is the common difference of the following arithmetic sequence? 13, -7, -27, -47... 4. What is the ninth term of the ...
January 15, 2011 by Melanie

maths
The common ratio r of a geometric sequence satisfies the quadratic equation 2r squared - 3r -2 = 0. If the sum to infinity of the same sequence is 6, explain why, in this case, r can only take on one value, and hence state the common ratio, r. Also, show that the first term 'a...
October 19, 2007 by jen

Discrete Math
I want to verify that this is correct: An arithmetic sequence begins, 116, 109, 102 • Determine whether -480 belongs to this sequence, if it does, what is its term number? -480 = 116 + (n - 1)(-7) n - 1 = 85.142. . . So, that means -480 does not belong to this sequence, right...
March 29, 2011 by Francesca

math
find the rule for the Nth term of the arithmetic sequence. 11/2, 25/6, 17/6, 3/2, 1/6..... If you change the denomators to 6, you should notice the numerators follow the sequence: 33,25,17,9,1,...which is an arithmetic sequence with a common difference of -8 so term(n) = -8n...
April 1, 2007 by brandon

Biology
Produce a nucleotide sequence with a single base-pair substitution mutation that still produces the same amino acid sequence. Indicate the site of the mutation and explain why the amino acid sequence is not affected.
March 15, 2009 by Tanya

Genetics
Given the sequence of bases in the sense strand of DNA shown below, please answer the following questions. 5'-ATGTTTCCCCAGAAGAGGTATGGGAAAAAGATTTGA-3' a. Show the sequence of bases in the messenger RNA encoded by this gene. I'm not sure what this means. I looked up "sense ...
November 4, 2009 by Jenna

Maths
1..The first 2 terms of a geometric progression are the same as the first two terms of an arithmetic progression.The first term is 12 and is greater than the second term.The sum of the first 3 terms od the arithmetic progression is 4/3 less than the sum of the first 3 terms of...
February 3, 2013 by Lucas

math
the first number of a sequence is 200. every number of the sequence after the first is 100 less than twice the preceding number. what is the 5th number of the sequence
July 24, 2013 by anonymous

MATH
the first number of a sequence is 200. every number of the sequence after the first is 100 less than twice the preceding number. what is the 5th number of the sequence
July 24, 2013 by Help!!

Stats/ Probability
Repeated die toss experiment. A fair die is tossed repeatedly, and the sequence of numbers that turn up is recorded, until a 1 is obtained. When a 1 is obtained, the experiment is over, but the 1 is included in the sequence. Thus every outcome is a sequence of integers ending ...
September 29, 2013 by denim

Math
1. What is the tenth term of the geometric sequence whose first term (a1) is 16 and the common ratio (r) is –½? 2. Given the terms a10 = 3 / 512 and a15 = 3 / 16384 of a geometric sequence, find the exact value of the first term of the sequence.
June 18, 2014 by Jade

math30
Sequences 1)A sequence has a first term of 24 and every other term is one half of the previous term. a)Write the first four terms of the sequence. b)Find a recursive formula that defines this sequence. c)Find an explicit formula that defines this sequence. This will be ...
August 8, 2012 by alejandro

Math
make a table of values for the sequence 6,11,16,21,26 b) write an algebraic expression for the general term of the sequence. c) Use ur expression for the general term to calculate the 25th term in the sequence. Please help asap
October 2, 2013 by Asap

Math
The first three elements of a number sequence are 1, 2, 3. ( As you can see, the middle number is one less than the product of its neighbors. This is true for the rest of the elements of this sequence. Now add the elements of the sequence up to a certain element. Could this ...
October 4, 2009 by Diana

AP and GP
1) Given the terms a35 = 1238, a70 = 1483 of an AP. Find the exact value of the term a105 a sequence, and sum of sequence. 2) Given the term a3 = 99 and a5 = 891 of GP. Find the exact value of the term a7 of the sequence and the sum of sequence.
February 27, 2011 by Newbie

math
help me with sequences problem.So if the sequence is 2,5,10,17,26 +3 +5 +7 +9 1st difference +2 +2 +2 2nd difference then the nth term can be worked out by writing out : n 1 2 3 4 n squared 1 4 9 16 original sequence 2 5 10 17 nth term= n squared+1 but what about this question...
May 9, 2009 by Anonymous

math
I fyou start with 2 and count by 4s until youreach the number 202, you will have the following number sequence. 2, 6, 10, 14...202 If 2 is the first number in the sequence, 6 is the second and so on, what number in the sequence is 202?
March 15, 2010 by trinity

maths
consider the sequence given by U1=-0.3 Un+1=Un+0.7 i)state what type of sequence this is. ii)write down the first 4 terms of the sequence. iii) find a closed form for sequnce. iv) use the closed form to find the nth term of the sequnce when Un=36.1 (n=1,2,3 ETC)
November 2, 2007 by cecilia

math
suppose an arithmetic sequence and a geometric sequence with common ration r have the same first two terms. show that the third term of the geometric series is r^2/(2r-1) tomes the third term of the arithmetic sequence
February 17, 2009 by isa

mathematis
consider the arithmetic sequence:-4;-1;2;5...if the nth term of the sequence is 74 determine the value of n
March 5, 2014 by mmatshepho

Math (sequence)
Find the first four terms of each sequence. A1= 2 A2=5 An=An-1 + An-2, n≥3
December 11, 2010 by Robo123

math
Given the sequence 17, 21, 25,...589 a) Find the 123rd term in this sequence.
October 25, 2011 by Danielle

algebra 2
A sequence is defined recursively by a1=1,an=(an-1+1)^2. Write the first 4 terms of the sequence.
May 23, 2012 by jenny

sequence math
Find the sum of the first 27 terms of the following sequence: 10, 18, 26 . . .
June 28, 2012 by elito

maths
Consider the sequence 1,-2, 3,-4, 5, -6,.........., n(-1)^(n+1) What is the average of first 300 terms of the sequence?
January 3, 2013 by Anonymous

math
fill the sequence 8, 23, 44,74, 116 next two terms of sequence
January 30, 2013 by mira

math
if 1,x,y is a geometric sequence and x,y,3 is an arithmetic sequence, compute the maximum value of x+y
April 27, 2013 by Sarah

Sequence
What is the fifth term of the sequence a sub n=5-n^2? a)-11 b)-20 c)-7 d)-5 I believe that the answer that fits the best is d, but I could be wrong.
March 8, 2007 by raven 31791

math
if an is a geometric sequence where a1=4 and the sum of an=12. how would you find the common ratio of the sequence? please help
May 10, 2009 by mike

arithmetic
The first term of a quadratic sequence is 8 and it's fourth is 32. If the second difference of the sequence is 2, find Tn.
March 21, 2011 by Tk

math
An arithmetic sequence is represented in the following table. Enter the missing term of the sequence. 10,-2,-14,-26,?...
April 16, 2013 by mari

algebra
Could someone check my work; 1. Generate the first five terms in the sequence using the explicit formula. yn = –5n – 5 –30, –25, –20, –15, –10 30, 25, 20, 15, 10 –10, –15, –20, –25, –30(my answer) 10, 15, 20, 25, 30 2. What is the 15th term in the sequence using the given ...
February 3, 2013 by lee

pre algebra
find the common ratio in the sequence 8, 12, 18, 27,..... then write the next three terms of the sequence
June 20, 2010 by lavena

Mathematics
The 10th term of an arithmetic sequence 17 and the16th is 44,find the first three terms in the sequence
January 21, 2012 by Tenacious

Sequence and series
If {gn} is a geometric sequenc with gn > 0 for all n is an element of natural number,then prove that {ln gn} is an arthnetic sequence
January 21, 2012 by Abdela said yimer

CALCULUS
For the sequence below, determine whether they converge or not, and find the limit when the sequence converges. an=4^n/n! an=nsin(1/n)
June 24, 2012 by AP

science
which rna base sequence would produce the animo acid sequence: Valine ALanine
March 11, 2013 by mary

Number sequence
Find the next 3 numbers of this sequence 243, 81, 27.
May 17, 2012 by Marco

math
How will I know the equation of a sequence if it is not arithmetic nor geometric sequence?
January 5, 2013 by mae

Math
A sequence is given by Un=a(1-2n).determine the first 3 term of sequence
January 19, 2014 by Dammy

Math - Arithmetic & Geometric
1) Given the terms a35 = 1238 and a70 = 1483 of an Arithmetic. Find the exact value of the term a105 a sequence and sum of sequence. 2) Given a3 = 99 and a5 = 891 of a Geometric. Find the exact value of the term a7 of the sequence and the sum of sequence.
February 28, 2011 by Student555

math
The Fibonacci sequence of numbers begins 1,1,2,3,5,8,13,21,34,55,…and continues by the rule: every number is the sum of the two previous numbers. a. Determine the next five (eleventh through fifteenth) elements of this sequence. b. Compute the ratio of the fourteenth and ...
March 7, 2010 by bill

Discrete Math
An arithmetic sequence begins, 116, 109, 102 Find the 300th term of this sequence.
March 28, 2011 by Francesca

algebra 1
What is a10 for the sequence (an) = 1 + 3 (n - 1)? i go 28 is that correct? What is a7 for the sequence an = 2 + 5(n - 1)? i got 51 is that right 6x+7/5 = x, how do i find x? 30-x/10 = 2, what's the next step in solving this equation?
April 11, 2011 by jianna

Chemistry
If the base sequence along a segment of DNA were TCGTA,what would be the antisense oligonucleotide synthesised from this sequence?
April 25, 2012 by Swaastikaa

Mathematics : Arithmetic Sequence
Consider the arithmetic sequence x+2, 18-x, 14+x,... a) Find the value of x. b) Find the general term of the arithmetic sequence.
September 7, 2008 by Charmian

Algebra ll
Help please, I don't understand how to do this... Give an example of an arithmetic sequence that is found in the real world. Find the common difference and write a recursive and iterative rule for the sequence. Use one of the rules to find another term of the sequence. Then ...
March 19, 2014 by Me and I

applicable maths--sequence
hello, i need some practises on: 1)the language and notation of sequence. 2)Recursive definition for a sequence 3)the Nth therm or general term for a sequence. can someone please give me some useful website regarding the topics above (or any other possible topics relating to ...
May 3, 2008 by Ann

Math
The 13th termof an arithmetic sequence is 61 and the 20th term of the squence is 82. Calculate the sum of the first 25 terms of the sequence
December 17, 2011 by Melissa

Algebra 2
The sequence is defined by a recursion formula. Write the first four terms of the sequence: a_1=9; a_n=3a_n-1
August 7, 2014 by Nan

Algebra 2
The sequence is defined by a recursion formula. Write the first four terms of the sequence; a_1=0; a_n=5a_n-1 +7
August 7, 2014 by Nan

Math Concepts
What is the difference between an arithmetic sequence and a geometric sequence? In an arithmetic sequence, the difference between successive numbers is the same. Example: 1, 3, 5, 7, 9.. In a geometric sequence, the ratio of successive numbers is the same. Example: 1, 2, 4, 8...
April 9, 2007 by Amy

Biology
what is the RNA sequence 3'-AUGAAGAAGUUCUGA-5' in amino acid? I need to convert the RNA sequence to amino acid sequence and I don't know how. Can some help?
April 20, 2009 by Tash

geometric sequence
how whould u find the next 3 terms of sequence 18,9,9/2,9/4 Each term is the last multiplied by 1/2. dont got one i think that is right
March 6, 2007 by ebony

Biology
What's the difference between intergenic sequence and intron, since both of the words are describing the sequence that isn't translated into protein?
December 16, 2009 by Holly

aims math
Sandra wrote the sequence shown here. Which equation represents the rule for finding the nth term of this sequence? 2, 5, 10, 17, ...
January 18, 2011 by shanaynay

Calculus
Determine whether the sequence with the given nth term is monotonic. Find the boundedness of the sequence. Otherwise, indicate DNE. An = ne^(-n/2)
February 11, 2013 by Jenny

Science
During protein synthesis, the sequence of nucleotides in an mRNA transcript is translated into a sequence of ___. I'm stuck on this question.
November 4, 2013 by Anonymous

Algebra 2
The sequence is defined by a recursion formula, write the first four terms of the sequence; a_1=100; a_n=1/2a_n-1 +4
August 7, 2014 by Nan

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