# What is the 12th term of the sequence 5, 12, 19....?

##### 2 Answers

82

#### Explanation:

The Sequence equation is: Tn=7n-2

T12th=7x12-2

T=TERM

N=Which term( 1st,2nd,3rd)

the sequence is going up in seven's and you wouldn't want to start with 7 for the equation so how do you get from 7 to 5? Subtract 2.

Then for a term you're trying to find just add it into the sequence equation. Practice this!

#### Explanation:

We observe that difference between first and second terms

Similarly difference between second and third terms

It shows that the given sequence of numbers is an arithmetic progression with common difference equal to

We know that

To find the