Math, asked by molakalabhoomika, 11 months ago

the first of arithmetic sequence is -3.3 is 19th term is is 5.7 find difference

Answers

Answered by deve11

1

Step-by-step explanation:

Given: a=-3.3, a19=5.7, n=19.

To find: d=?

Formula: an=a+(n+1)d

5.7=-3.3+(19-1)d

5.7+3.3=18d.

9/18=d

1/2=0.5=d.

Hope helps u.

Plz mark as brainliest!

Answered by Anonymous

1

answer attached in photo

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