Answer:
18ways
Step-by-step explanation:
Answer:
Infinite
Step-by-step explanation:
its either going by +2 or by odd numbers
The arithmetic sequence general formula is an = a1 + d *(n-1) where d is the arithmetic difference and n is an integer. In this case, upon derivation, the formula that represents the sum of the series is S = (a1 + an)*(n/2). Substituting, S = (3+75)*(10/2) equal to 390
B
You would divide 45 mm/15mm to get 3. Multiply 3 by 27 to get 81 mm.
