rogerlewis101485 rogerlewis101485

03-02-2020
Mathematics

contestada

This one is hard, What number does it follow?

1,3,6,10,15,21,

Respuesta :

GrandNecro GrandNecro

03-02-2020

Its a sum of all previous iteration.

1=1

3=1+2

6=1+2+3

10=1+2+3+4

15=1+2+3+4+5

...

etc

Answer Link

Otras preguntas

Where did the Black Death originally start

Movement of dissolved substances in fluid from areas of high concentration to areas of low concentration

HI :) I NEED HELP PLEASE BEFORE 12 AM

The repeal of the british corn laws in 1846 was most strongly opposed by

Q9 Q9.) Select the correct choice below and, if necessary, fill in the answer box to complete your choice.

A furniture designer creates a table with a circular design that shows up on all four corners. This artist has used which element of art in his work?

Sandy, gale, and marylou are on the board of directors for an area non-profit organization. at a recent meeting, guest david delivered a rousing speech on how g

virtual images are always inverted

How did Western Europe maintain cultural unity after the fall of the Western Roman Empire? *Confederations of Germanic tribes maintained the organization and s

What state capital has the same name as a famous explorer?