batman1
Answered

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what is the pattern of 3.5, 13, 41.5, 127,,,, and the anwser


Sagot :

fisher521
times 3 plus 2.5 is the pattern, and the next number is 383.5

Answer with Step-by-step explanation:

We are given a sequence as:

3.5, 13, 41.5, 127,...

we have to determine the pattern

13= 3.5×3+2.5

41.5= 13×3+2.5

127= 41.5×3+2.5

Hence, the sequence is defined as next term in the sequence is 3 times the previous term of the sequence plus 2.5

i.e. [tex]a_{n+1} =3a_{n} +2.5\ ;\ a_{1}=3.5[/tex]

Hence, Pattern is:

[tex]a_{n+1} =3a_{n} +2.5\ ;\ a_{1}=3.5[/tex]

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