24 Answered Questions for the topic Arithmetic Sequences

11/28/21

#### Finding the explicit formula of an arithmetic sequence

Hi! I need to find the explicit formula of an arithmetic sequence with a term a38 = -53.2 and the common difference -1.1. How should I go about this? Thank you! :)

Arithmetic Sequences Math

07/29/21

#### Find common difference for the sequence 1/11,3/11,5/11,7/11

01/19/21

#### math precalculus 12

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

01/19/21

#### 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.

01/19/21

#### math precalculus 12

If an Arithmetic series has t2 = -12.5 and t4 = -10.7, the determine S15.

01/19/21

#### math precalculus 12

If an Arithmetic series has a first term of a = 4 and t3 = 8, the determine S10.

01/19/21

#### 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...
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01/19/21

#### 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

01/19/21

#### 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

06/10/20

#### Consider the following sequence. __, 1, -4,...

a. Fill in the blank to make the sequence arithmetic.__, 1, -4...b. Fill in the blank to make the sequence geometric.__, 1, -4...

08/31/19

#### Pre Calculus 11 - Arithmetic Sequences

On Alfredo's 10th birthday, his mother began giving him a weekly allowance of $10 and each week the allowance would increase by $0.50 if he did all his homework. How many weeks would it take for...
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Arithmetic Sequences

01/31/18

#### determine if the sequence is arithmetic (-7,-9,-11,-13)

i want to know if the sequence is arithmetic and the common difference

Arithmetic Sequences

01/30/18

#### Describe the pattern in each sequence. Write an equation and find 20th term of each arithmetic sequence

1. -7,-3,1,5. 2. 13,11,9,7,

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

Arithmetic Sequences

11/18/17

#### math problem

In a certain archery competition, archers shoot 25 arrows and receive penalty points for each missed shot: 1 penalty point for the first miss and for each subsequent miss a penalty that is ½ point...
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04/02/17

#### explicit formula problem

Malcolm's parents put $1,200 into a savings account when he was born in 2006. every birthday, Malcolm's parents deposit 10% more than the previous year.Determine the explicit formula for the...
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04/02/17

#### explicit formula problem

Malcolm's parents put $1,200 into a savings account when he was born in 2006. every birthday, Malcolm's parents deposit 10% more than the previous year.
Determine the explicit formula for the...
more

09/13/16

#### In an arithmetic sequence, the first term is 5 and the fourth term is 40. Find the second term.

n1= 5
n4= 40

Arithmetic Sequences Geometric Sequences

01/18/16

#### 3 numbers form an arithmetic sequence with a common difference of 11. If the first number....

Three numbers form an arithmetic sequence with a common difference of 11. If the first number is decreased by 6, the second number is decreased by 1 and the third number is doubled,...
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Arithmetic Sequences

11/18/15

#### A movie rental club charges 4.95 for the first month is rentals. The club charges 18.95 for each additional month how much is the total cost for one year?

Word problems are difficult for me please help

Arithmetic Sequences Algebra

04/19/15

#### arithmetic sequences

in this arithmetic sequence t4 = t12 if each of its terms is decreased by 6 then its seventh term will be equal to three times as much as its fourth term . write down the first 5 terms then find...
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Arithmetic Sequences

08/27/14

#### What is the simple formula for the nth term of the following arithmetic sequence? 6, 2, -2, -6, -10..

Cant seem to solve this one, can anybody get the answer for me?

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