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2 votes
Finish this sequence:
15,20,30,_,65,_,120
pls fill the blanks

User Leo Quint
by
7.7k points

1 Answer

2 votes

Answer:

1st blank = 45

2nd blank = 90

Explanation:

this is an quadratic sequence. (an^2 + bn + c)

use of the formulas

2a = (_)

3a + b = (_)

a + b + c = (_)

Finish this sequence: 15,20,30,_,65,_,120 pls fill the blanks-example-1
User Karon
by
7.7k points

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