I believe the answer is 55.
Answer:
The arithmetic sequence given above has a first term (a1) equal to 3 and the common difference (d) equal to 6. The sum of the first n terms of the sequence is calculated through the equation,
Sn = (n/ 2) x (2a1 + (n - 1) x d)
Substituting,
S22 = (22 / 2) x (2x3 + (22 - 1) x 6) = 1452
Therefore, the answer is the first choice, 1452.
Step-by-step explanation:
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Answer:
3/9
Step-by-step explanation:
numerator:7-4=3/9
30-9 would be the first step
0.76 is the answer
hope this helped