the difference between 5th term and 10th term of an arithmetic sequence is 18. what is the difference between 20th term and 30th term of the sequence
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Answer:
36
Step-by-step explanation:
Difference of 5 terms = a + 9d -(a + 4d)
=5d = 18
d = 18/5
Difference between 20th and 30th term
= a +29d -(a + 19d)
= 10 d
= 10(18/5)
= 36
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