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

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

Plz help with this one I have ten minutes to turn it in! Will give u points! And mark u BRAINLY

Fewer than 50 people bought tickets

PROMPT: What are the most important things you consider when choosing a book to read?

HELP PLS PLS pls pls

Help me answer these questions

I’ll give a brainiest!!!! Plz help!! Select the correct text in the passage. Read this introductory paragraph of a persuasive essay. Which sentence states the m

what is the meaning of the word Inconsistent

A box contains 57 red marbles, 40 white marbles, and 70 blue marbles. If a marble is randomly selected from the box, what is the probability that it is blue? Ex

What kingdom does the snake belong to?

Jeremy makes $4.70 every time he mows a lawn but it costs him $6.80 to refill his lawn mower with gas. If Jeremy mows 5 lawns using 3 tanks of gas, how much did