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

cody spent half of his allowance on candy. to earn more money his parents let. him wash the car for $7. what is his weekly if he ended with $17

In which two ways do extras function in a drama?

One of the few groups to successfully gain political rights during the 1920's was- A-woman with the adoption of the nineteenth amendment B-religious groups with

Meredith picked four times as many green peppers as red peppers if she picked a total of 20 peppers how many green peppers did she pick

which colony came first? jamestown, VA or plymouth, MA

3y=x (tell whether x and y show direct variation

Choose the correct singular, third person, conjugation of the verb to be in the future perfect tense

James works as a waiter. He served meals with bills of $23.59, $40.65, $30.50, and $15.68. If his total for tips was $17.67, what percent tip did he receive for

if you have 8/12 of a pizza how many thirds do you have

During World War II, which battle was the first significant US victory in the Pacific?