Answered: Given the first term and the common difference of an arithmetic sequence find the first five terms and the explicit formula. 1) a1 = 28, d = 10 2) a1 = -38,… | bartleby

Finding a Specified Term of an Arithmetic Sequence Given the Common Difference and First Term | Algebra | Study.com

An arithmetic sequence has a as first term and 2 d as common difference, ie, a a 2 d, a 4 d, …. The sum of the first 50 terms is T. Another sequence, with first term a d, and common difference 2 d, is combined with the first one to produce a new arithmetic sequence. Let the sum of the first 100 terms of the new combined sequence be S. If 2 T 200=St find d. | Numerade