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How do I solve these problem?

How do I solve these problem?-example-1
User Ajay Mehta
by
8.2k points

1 Answer

4 votes

Answer:

- 199

Explanation:

7.

a1 = 25

d = - 16

15th term is t15.

Formula : -

an = a + ( n - 1 )d

t15

= 25 + ( 15 - 1 ) - 16

= 25 + 14 ( - 16 )

= 25 + ( - 224 )

= 25 - 224

= - 199

User Dawid Laszuk
by
7.7k points

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