30 Answered Questions for the topic Number Sequences

07/05/18

#### If j is the number of integers between 1 and 500 that are divisible and k is the number of integers between 1 and 500 that are divisible by 7 what is j+k

This a question I need help on my homework so please do your best to help me

06/08/18

#### what is the 90th term in the sequence 3,7,11,15

the 50th term is 199 and the 5th term is 19 the 51st term of this is 203

05/17/18

#### 3. What two numbers should replace the question marks to continue the sequence? 1, 10, 2.75, 8.25, 4.5, 6.5, 6.25, ?, ?

3. What two numbers should replace the question marks to continue the sequence? 1, 10, 2.75, 8.25, 4.5, 6.5, 6.25, ?, ?
%MCEPASTEBIN%

04/25/18

#### what are the next two numbers in the sequence 7.5, 8.75, 10, 11, 25,

whrite down the next two numbers in the sequence 7.5, 8.75, 10, 11, 25, _, _

02/16/18

#### The first 100 counting numbers are arrangedin columns as shown. What would be the sum of all numbers in column c?

Set up like this
A B C D E
1 2 3 4 5
10 9 8 7 6
11 12 13 14 15
20 19 18 17 16
we have answer of 968 but we wrote it all out...
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01/15/18

#### Is it possible to solve for Y using information from the following problems:

A + 30= Y
B + 28= Y
C + 26= Y
D + 32 = Y
I'm writing a book (i.e. I'm not great at math) and my protagonist must solve a riddle. The riddle is a Magic Square, where some (four) of the...
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01/06/18

#### I had a Sequences question that was proving very hard for me

The sum of the first three terms of a geometric progression is 126. If 14, 36, and 4 are added to each of these terms, respectively, then the new numbers form an arithmetic progression. Find the...
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09/09/17

#### what comes next 6,21,65,195,

In number sequences, I want to need the answer and solution for the above mentioned question.And I want to need some links to study like this questions.

04/08/17

#### What's the 300th term?

Each term in a sequence of numbers is greater than the term before it and the difference between any 2 consecutive terms is constant. If the 15th and 20th terms in the sequence are 6 and 16...
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02/16/17

#### Arithmetic Series

The sum of the first 15 terms of an arithmetic sequence is 480. Find the 8th term of the sequence.

02/14/17

#### Arithmetic Series

Three consecutive terms of an arithmetic sequence have a sum of 12 and a product of -80. Find the terms. Let the terms be x-d, x, and x+d.

02/13/17

#### Arithmetic Series

A soccer stadium has 25 sections of seating. Each section has 44 rows of seats, with 22 seats in the first row, 23 in the second row , 24 in the third row and so on. How many seats are there...
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02/13/17

#### Arithmetic series

A bricklayer builds a triangular wall with layers of bricks. If the bricklayer uses 171 bricks, how many layers did he build?

01/23/17

#### May I have help with a challenging math problem, please show and explain work

In the sequence 1,4,5,6,7,8,10,16,18,... each number after the first two is the next number that can be expressed as the sum of two previous numbers in only one way. For example,10 is included...
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10/10/16

#### Geometric, Arithmetic, or neither? What are the next 2 terms of this sequence.

40,10,5/2,5/8
please help

08/18/16

#### find the missing number in the series 84, 81, 88, 14, 12, 18, 9, ?, 11

i have a question which is troubling me from 2 days, can anyone help me in understanding this question with solution.

04/15/16

#### What are the two missing numbers between 10278 and 10287 and 10287 and 10782

No further information given in question regarding variables

08/29/15

#### What is the next number in the sequence? 3, 3, 6, 9, 15, 24, ...

This is a question from my seventh grade summer packet. I need a little help on it. There are many questions but this is only one. I understand that it is about the number sequence, but I just can...
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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

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