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16-10-2020
Mathematics

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In an arithmetic sequence with a1= 35 and d = -5, which term is – 15?
The term - 15 is the th term of the sequence.

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unicorn3125 unicorn3125

17-10-2020

Answer:

The term -15 is the 11-th term of the sequence

Step-by-step explanation:

[tex]a_n=a_1+d(n-1)\\\\-15=35+(-5)(n-1)\\\\-15=35-5n+5\\\\5n=40+15\\\\5n=55\\\\n=11[/tex]

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