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

Why does the author of "The Think Tank" include Shumaker's admission that he did not think that Azy would be the fastest learner?
Proofread the sentences. which word is spelled incorrectly?
If g(x)=x+1/x-2 and h(x) = 4 – x, what is the value of g(h(-3))?
What does scientific mean?
2 boxes has 50 pieces of candy and the other 2 boxes have 20 pieces of candy. how could ivanna solve for,c, the total number of candy she needs
Seasons are celebrations.    A year's a Ferris wheel.    Both honor our world's habit    of spinning 'round a star. In the first line of the poem, the poet use
what was a consequence of violating the Sherman Antitrust Act
what ideas did americans adopt from john locke?
What is a common factor of 224, 96, 144
Which of the following is a good example of something a cell might do during G1 phase? A. Make new organellesB. COPY DNAC. Compact DNA into a supercoilD. Divide
ACCESS MORE