vitesanchezpatricia
vitesanchezpatricia vitesanchezpatricia
  • 01-09-2020
  • Mathematics
contestada

cuál es la suma de los primeros 30 términos de la sucesión 1,2,3,4​

Respuesta :

mathstudent55
mathstudent55 mathstudent55
  • 01-09-2020

Answer:

465

Step-by-step explanation:

1 + 2 + 3 + ... + n = n(n + 1)/2

1 + 2 + 3 + ... + 30 = 30(31)/2 = 465

Answer Link

Otras preguntas

John attempts to live by himself away from the World State. He begins to return to an Indian lifestyle, but he is tormented by news reporters and tourists from
Which expression is equivalent to 3\tfrac{1}{3}-8\tfrac{2}{3}3 3 1 ​ −8 3 2 ​ ?
Agent Bourne transferred classified files from the CIA mainframe into his flash drive. The drive had 36.536.536, point, 5 megabytes on it before the transfer, a
de todo el jardin la fuente es lo mas bonito sujeto predicado​
Which of the following expressions is a factor of 2x2 – 112 + 15?
Find the mean from the following obtained marks of the student after constructing a frequency distribution table .1,5,6,9,8,4,1,9,8,4,5,4,5,6,5,4,1,5,4,6​
brainlyessRead the excerpt from Twelfth Night.Malvolio: Good Sir Topas, do not think I am mad. They have laid me here in hideous darkness.What is the effect of
Given that △ + q = 59 and (△ + q) + q = 106, what is the value of △?
Find the gradient of the line segment between the points (-1,3) and (1,-2). Give your answer in its simplest form.
Where is the best place in your report to describe a personal experience you had with your topic? in the same paragraph withresults from a research report near