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 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

Choose the correct graph of the given system of equations. y + 2x = −1 3y − x = 4 graph of two lines that intersect at the point (negative 1, 1) graph of two
Why was there a civil war in japan?
What is happening in this cartoon
Based on the details wright uses to describe his father and the woman he lives with, we can infer that richard----
Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius of centimeters. what is the volume of air in the sph
How do you spell viscious?
Compounds _____. A. have different properties from the elements they are made from B. have the same properties as the elements they are made from C. can only ex
What's the percentage of 60% of 90 show the work??
Which of these is the best response if you're worried that someone might be struggling with substance abuse? A. Ignore the problem and try to interact with h
Temperatures in the winter drop because that part of the earth is tilted ______ the Sun.a.Away fromb.Toward