Find the 20th term in the following arithmetic sequence : 12, 15, 18, 21, ... Hint: Write a formula to help you. 1st term + common difference(desired term - 1)

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asked Dec 5, 2021 113k views

1 Answer

David Mohundro · Answer 1 · 2021-12-09T17:23:15+0000

Y= 9+3x this is ur formula u just go back 3 and that is 9 and then ur 3 if from adding up so that’s 3 times ur x then should equal y