2 years ago

What is the 12th term of the linear sequence below? 7,9,11,13,15

Mathematics

2 answers:

Andrew [12]2 years ago

6 0

The answer should be 29

nordsb [41]2 years ago

6 0

Answer:

The 12th term would be 29

Step-by-step explanation:

First find the Algebraic expression:-

Xn = dn + b

'd' means common difference, which is 2 in this sequence.

'b' means 'first term- d'

So, b = 7 - 2

b = 5

Xn = 2n + 5

Now, to find the 12th term, substitute 12 in the place of 'n':-

2 x 12 + 5

29 is the 12th term!

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