the sum of 16 terms of an A.P.is -504,while the sum of its 9 terms is -126.find the sum of its 30 terms.

2 answers

16/2 (2a + 15d) = -504
9/2 (2a+8d) = -126
Solve for a and d, then find
30/2 (2a+29d)
How did you get the a and d nauu???
Similar Questions
  1. Identify the terms as like or unlike terms.10xy, −15xy 10 𝑥 𝑦 , − 15 𝑥 𝑦 (1 point) Responses The terms are like
    1. answers icon 1 answer
  2. Identify the terms as like or unlike terms.10xy, −15xy (1 point) Responses The terms are like terms. The terms are like terms.
    1. answers icon 1 answer
    1. answers icon 1 answer
  3. Use the table to answer the question.Terms 1 10 20 Terms 2 20 40 Terms 3 30 60 Terms 4 40 80 Divide to prove each ratio is
    1. answers icon 3 answers
more similar questions