Question

In an aritmetic sequence 100,95,90.85. what is the 25th term?
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Answer 1

Answer:

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Answer 2

d = 95 - 100

= -5

a = 100

Let the term is n th term :

nth term, a_n = a + ( n - 1 ) d

⇒-25 = 100 + ( n - 1 )( -5 )

⇒-125 = -5n + 5

⇒-5n = -130

⇒n = 26.

Hope it helps you mate.

@ ANUSHA ❤✌