matthewryan15 matthewryan15

04-07-2020
Mathematics

contestada

Find the sum of the arithmetic series for which a_1 = 7, n = 31, and a_n = 127.

Respuesta :

gilbertazavedo72 gilbertazavedo72

04-07-2020

Answer: 2077

There are 31 terms.

S₃₁ = 31(a₁+a₃₁)/2 = 31(7+127)/2 = 2077

Answer Link

Otras preguntas

PLEASE HELP! URGENT! The equation and graph of a polynomial are shown below. The graph reaches its maximum when the value of x is -2. What is the y-value of thi

Great Depression: Write a 1-2 sentence response describing how each of the following terms reflects post war disillusionment or uncertainty in Europe.

7. What was the Harlem Renaissance and how did it reflect the experiences of African-Americans in the 1920s? Who were the main figures of the Harlem Renaissance

Fish have__ , which are appendages that help them move through water. Fins Lateral lines Swing bladders Scales

x^2 + 4x = 6 solve by completing the square plz show step by step

20 points for this one but please with the explanation

Why do you think most Christians in southern Europe are Catholic?

Malik's arts and crafts shop has a bolt of crimson velvet 32 meters long. A customer came in during the morning and bought 120 centimeters of the velvet. Anothe

How to write an analysis

how to perform a plank