34 Answered Questions for the topic Arithmetic Series

1d

math precalculus 12
Given the Arithmetic series with S6 = -15, S7 = -28, and d = -3 find S4.
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1d

math precalculus 12
The side lengths of a triangle from an Arithmetic sequence. The perimeter of the triangle is 33cm, and the longest side is 15cm. Determine the length of the other two sides.
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1d

math precalculus 12
If an Arithmetic series has t2 = -12.5 and t4 = -10.7, the determine S15.
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1d

math precalculus 12
If an Arithmetic series has a first term of a = 4 and t3 = 8, the determine S10.
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1d

math precalculus 12
If an arithmetic series has a = 13.7 and t3 = 12.3, then determine S3.
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2d

math precalculus 12
Helmut's parents gave him $1 on his first birthday (which went into his brand new piggy bank). On his second day, he received $3 and on his third birthday $5. His parents continued to give him... more
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2d

math precalculus 12
Helmut's parents gave him $1 on his first birthday (which went into his brand new piggy bank). On his second day, he received $3 and on his third birthday $5. His parents continued to give him... more
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2d

math precalculus 12
Helmut's parents gave him $1 on his first birthday (which went into his brand new piggy bank). On his second day, he received $3 and on his third birthday $5. His parents continued to give him... more
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Arithmetic Series Precalculus Math 11

08/31/19

Pre Calculus 11 - Arithmetic Series
What is the first term of a 10-term arithmetic series with t2=10 and S=120? Leave your answer in exact form.Sadly, I don't even know where to start with this question. I understand that there is... more
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Arithmetic Series Algebra 2 Geometric Series

08/04/19

This question is related to Sigma notation. Please help me go through this.
Use properties of summation and constant/arithmetic/geometric series to find n+1∑r=3 (n+2+3r+1/5^r) in terms of n.
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08/30/18

Arithmetic series/sequence simple problem
  I have to use term or sum arithmetic series/sequence formulas to solve the 3 parts of this problem, but I don't understand how to convert the numbers provided into a usable equation.   An... more
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Arithmetic Series

02/08/18

Determine the sum of this arithmetic series 5+8+11+...+53
Determine the sum
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Arithmetic Series

01/11/18

The sum of the first 12 terms of an arithmetic series is 186, and the 20th term is 83. What is the sum of the first 40 terms?
arithmetic series question
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01/04/18

how to do problem like the following super fast? 99+98+97+96...+2+1/99!
Steps to solve the question please.   99+98+97...+2+1/99 factorial
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Arithmetic Series

07/01/17

Arithmetic Series. Help me find S25
Help me find S25 if a1=-4 and common difference(d)=3
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Arithmetic Series

04/02/17

what is the value of an aritmmetic series whose first term is -100, whose common difference is 8, and which has 30 terms?
how is this figured out?
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Arithmetic Series

04/02/17

the following series is arithmetic: 5+8+11+...+116
I have to show how I arrived at the following: a) determine the number of terms in this series. b) determine the sum of this series.  
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Arithmetic Series

02/16/17

Arithmetic series
Series of odd number is 1+3+5+7+...    a)Prove that the sum of the first n odd integers is n squared     b) Check answer to a) by finding S1. S2. S3 and S4
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Arithmetic Series Arithmetic Progression

08/28/16

Put 5 terms between 1 and 1.3 So that together with the given terms they can form an AP
Put 5 terms between 1 and 1.3 So that together with the given terms they can form an AP
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Arithmetic Series Arithmetic Sequence

07/10/16

arithmetic sequence/series?
Use the following information to construct the arithmetic series, indicate the first term, common difference, and value of the iPhone after 3 years with an initial cost of $200 and a depreciation... more
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Arithmetic Series

05/17/16

How would you find the tenth term?
the 7th term of an arithmetic series is 21 and the 21st term is 301. What is the tenth term?  
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02/14/16

AP 1st term=x+1, 2nd term=2x-1, 4th term=2x+5, find x, a, d
AP 1st term=x+1, 2nd term=2x-1, 4th term=2x+5, find x, a, d   Please help me how to find even one of these values. I don't even have the sum of given terms, so I really have no value to progress. 
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Arithmetic Series Geometric Series

01/28/16

the fifth term plus the eight term is 58.The second term plus the fourth term is 30. What is the first term and what is the common difference
T5+T8= 58  T2+T4=30    
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Arithmetic Series

01/13/16

Arithmetic Series question
'A merchant places $1 in a jackpot on August 1, then draws the name of a regular customer. If the customer is present, he or she wins the $1 in the jackpot. If the customer is not present, the... more
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Arithmetic Series

01/10/16

Arithmetic Series
The first term of an arithmetic series is 12 and the 5th term is -90. The series has 10 terms in total. What is the sum of this series?
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