18. Find the 26th term in the given arithmetic sequence: -15, -35, -55, -75, a. -515 b. -535 C. -490 d. -460
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18. Find the 26th term in the given arithmetic sequence: -15, -35, -55, -75, a. -515 b. -535 C. -490 d. -460
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Answer:
A
Step-by-step explanation:
An= A¹ + d (n-1)
A²⁶= -15 + 20 (26-1)
A²⁶= -15 + 20 (25)
A²⁶= -15 + 500
A²⁶= -515