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

I don’t know how to do this
PLEASE HELP THANK YOU SO MUCH
Directions: Type your answer in the box.a woman has 6 apples. She needs 1/4of an apple to prepare one serving of fruit salad how many servings can she prepare
20 points!!! And Brainliest if possible!!! Use triangle JKL and triangle MPN to determine whether Don's claim is true or false. Which of the following should Do
Amplitude of y=-3sin5x
Which consequence are bullies more likely to experience?
Why did Congress pass the Indian Removal Act in 1830? to move Indian tribes west of the Mississippi River so white settlers could take their land to move Indian
Is the following relation a function?​
Identify the type of peer pressure used here: "My friends hang out after school and drink. They told me that I better start drinking too if I want to hang out w
Can’t work out angle 2x-30 I don’t know what this means and is the angle next to 68 a right angle or straight line : would I subtract 180 - 68