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

what’s the distance between A(15,21) and B(24,-19)

List and describe one drug used to treat diseases of the Thyroid and Pituitary Glands

How does the extended metaphor in Paragraph 3 of the passage affect its meaning?

Which is most likely the correlation coefficient for the set of data shown? –0.91 –0.35 0.35 0.91 ed guinty be killin me stg

The region between the tip and the shaft of a long bone is the ______________.

Louisa states that the solution to the equation 1/4x - 3 = 3/8x + 4 is x = 56. She verifies her solution using the steps below. Equation: 1/4x - 3 = 3/8x + 4

What actions should occur next, to support a team-based resuscitation attempt

Who was most responsible for making French the national language of France? A: French kings B: Frank conquerors C: French writers and philosophers D: the French

For which two reasons did the Iroquois Confederacy eventually side with the British?

The graph shows the solution to a system of inequalities:Which of the following inequalities is modeled by the graph?A.[tex]4x + 3y \leqslant 12;x \geqslant 0[/