The 3rd and 12th terms

  1. how do you find the 12th term of the sequence an= an-1+3 ( the n and n-1 are subscript) n>2 (also equal to)? I understand how to
    1. answers icon 2 answers
    2. Anonymous asked by Anonymous
    3. views icon 2,397 views
  2. The first and last terms of an a.p are 79 and 5 and it's sum is 814 find(a) the number of terms in the a.p(b)the common
    1. answers icon 2 answers
    2. Muhammad haruna ubandawaki asked by Muhammad haruna ubandawaki
    3. views icon 1,152 views
  3. The first and last terms of an A.P. are -3 and 145,respectively.if the common different is 4.find the,a.12th,b.25th term,c.the
    1. answers icon 3 answers
    2. Mariam asked by Mariam
    3. views icon 839 views
  4. The first and last terms of an A.P. are -3 and 145,respectively.if the common different is 4.find the,a.12th,b.25th term,c.the
    1. answers icon 1 answer
    2. Stephanie asked by Stephanie
    3. views icon 109 views
  5. The 9th and 12th terms of an A.P are 50 and 65 respectively. find the common difference and the sum of its first 70 terms
    1. answers icon 1 answer
    2. Onah Kenneth asked by Onah Kenneth
    3. views icon 97 views
  6. the sum of the 4th and 8th terms is 10, and the sum of the 6th and 12th terms is 22. Find the first three terms.
    1. answers icon 1 answer
    2. esa asked by esa
    3. views icon 1,053 views
  7. The ratio of the fourth and 12th term of a g.p. With positive common ratio is 1:256. If the difference of two terms be 61.2,
    1. answers icon 4 answers
    2. warnar asked by warnar
    3. views icon 2,033 views
  8. In an arithmetic series, the sum of the 5th to the 8th terms inclusive is 114, whilst the sum of the 12th to 15th terms
    1. answers icon 1 answer
    2. Fasi asked by Fasi
    3. views icon 3,662 views
  9. The ratio of the forth and 12th terms of a g.p. with positive common ratio is 1:256. If the difference of two terms be 61.2.
    1. answers icon 2 answers
    2. arti asked by arti
    3. views icon 1,211 views
  10. in an AP, if the 5th and 12th terms are 30 and 65 respectively. what is the sum of first 20terms
    1. answers icon 1 answer
    2. Anonymous asked by Anonymous
    3. views icon 751 views