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 gilbertazavedo72
  • 04-07-2020

Answer: 2077

There are 31 terms.

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

Answer Link

Otras preguntas

If two objects are made of the same material, one large and one small, and they are submerged in water, which object experiences the larger buoyant force?
One History Question! 10 POINTS Mercantilism was the belief that Question 1 options: a government could tax without consent of the taxpayers for regulating trad
Hat action resulted from a 1987 meeting reducing the amount of cfcs released by participating countries?
Espero que mi padre _____ (tener) dinero. tenga tiene tena tengo
Identify and summarize five major laws that deal with equal employment opportunity.
Nuts cost $1.75 per jar. How many jars can you buy with $14?
There are many different types of scientific investigations. Which of the following forms requires the identification and control of variables? A. observati
different lengths of crayons?
Choose the correct conjugation of the verb Mes Amis ____ à l'université A.) enseignes B.) enseignez C.) enseignons D.) enseignenet
Which statement describes a force between charged particles? 1)Like charges repel each other. 2)Like charges attract each other. 3)Unlike charges repel eac