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

In what way does Shakespeare's The Tempest resist traditional genre classification?
plz answer this question
PLS HELP!!!!! WILL GIVE BRAINLIEST, 5 STARS, AND THANKS!!!!!!!!!! How are large polymers formed? by repetitive combinations of simple subunits by the addition o
Which muscles react quickly,and which tire quickly?
One major effect the King James Bible had as a literary work at the time of its first printing was that it A.established Latin as the main ecclesiastical lang
Identify a necessary part of the process by which legal immigrants become citizens. A. participating in an oath ceremony B. participating in patriotic act
El producto de tres números consecutivos es 6840 ¿cual es el numero del medio?
3 important historical facts about leonardo da vinci
Which statement describes covalent bases? They have hydroxide ions. They produce hydrogen ions. They are often amines. They are named the same as ionic compound
. For which numbers a, b, c, and d will the function? f(x)=(ax+b)/(cx+d) satisfy f(f(x))=x for all x?