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

Find the speed of the mobile after 4 seconds

Rachel used 2/3 of a string to tie some books together. She used 1/3 of the remaining string for his art project. She had 30cm of the string left. What was the

PLs help ASAP will make you brainist

An insurance firm reported that "the typical water-skiing accident occurs near the dock from which they start." Which of the following statistical measurements

A random sample is drawn from a normally distributed population with mean μ = 31 and standard deviation σ = 1.9. Calculate the probabilities that the sample mea

What is the role of the three questions of economics? A. To assess product profitability B. To aid in production decisions C. To offset a poor economy D. To det

What are green skills .Write about some of the areas in which green skills contribute to the sustainable development?

Assume that adults have it scores that are normally distributed with a mean of 99.6 and a standard deviation of 16.2 find the first quartile which is the hw sco

25 percent of 510,000

Find the ordered pairs. {Y=(x+1)^2-5 {Y=2x PLEASE HELP!!!