Asked by George

the first term of a linear sequence is 3 and 8th term is 31 .find the common difference and hence find the 20th term

5 years ago

Answered by oobleck

since the two terms are 7 terms apart, 7d = 31-3 = 28
So, now you know d, you can find a, and then
a + 19d.

5 years ago

Answered by Hamdalat

Help me to solve the question

4 years ago

Answered by Fatima

Yes
I agree

4 years ago

Answered by Kenny

Help me solve it

4 years ago

Answered by ugochukwu

help me to solve it

3 years ago

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