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

i need help with this, graphing

I’m struggling with this question need some help

Payments from profits of companies in which one owns stock are called

he likes that or he like that ?

In what way are the girls in the story and the sister in the poem similar? A. Both the girls and the sister tell a boy that he is making a poor choice in a sit

What is the correct answer NEED ANSWER ASAP

What is the name of the new technology whereby a glass fiber carries as much information as hundreds of copper wires?

Write an article for publication in your school magazine on the importance of education

Triangle ΔABC has side lengths of a = 18, b=[tex]18\sqrt{3}[/tex], and c = 36 inches. Part A: Determine the measure of angle A. Part B: Show how to use the unit

What are the positive and negative effects of using the GMOs on potatoes?