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

In "The Story of an Hour" news of Mr. Mallard's death is given to Mrs. Mallard very cautiously because she is alone. she has a heart condition. she will want to

what number is 2 more than 3 times another the sum is 22 to find the numbers

if you earned 90% on a quiz and got 63 points how many points were possible?

how old is an adult male frog

With its quick runs, large leaps, and complicated rhythms, all played for the most part at a very rapid speed, _______ is the kind of work that only the most te

Which is least likely to be a reservoir for fresh water?

Among the list of ways workers can protect themselves when working on or near any construction zone, is to _________________.

what's the fraction of 3.5

Jane drives at a constant rate of 45 miles per hour for 4 hours. How far will she have traveled in that time?

Fats are the main substances that are essential for body growth and repair. Answer a. True b. False