Answer:
An explicit formula designates the nth term of the sequence, as an expression of n (where n = the term's location). It defines the sequence as a formula in terms of n. It may be written in either subscript notation a n, or in functional notation, f (n). Sequence: {10, 15, 20, 25, 30, 35, ...}.
Step-by-step explanation:
To make things easier, convert the mixed number 12 1/2 into a fraction.
12 1/2 = 25/2
1/3 x 25/2 = 25/6
11cm I think Someone help me with my question 2
Yes it can be guaranteed to get a sum of 7 once
