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Arada [10]
3 years ago
7

Find the nth term of this quadratic sequence 4 7 12 19 28

Mathematics
1 answer:
Elis [28]3 years ago
8 0

Answer: 84


Step-by-step explanation:

from 4 to 7 , they added 3

from 7 to 12 they added 5

from 12 to 19 they added 7

from 19 to 28 they added 9

3, 5, 7, 9.... They are simply adding odd numbers to each number. So after 9 would be 11, so you add 11 to 28 and get 39, and so on...

39 + 13= 52

52 + 15 = 67

67 + 17 = 84

84 is the ninth term, so that is your answer.  



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