diyapritambhat diyapritambhat

08-06-2022
Mathematics

contestada

find the sum of 1+2-3+4+5-6+7+8-9+...+97+98-99

Respuesta :

08-06-2022

Answer:

Hi,

Step-by-step explanation:

Let's make group of 3 numbers

1+2-3=0

4+5-6=3

7+8-9=6

...

97+98-99=96

s=1+2-3+....+97+98-99=0+3+6+..+96=3*(0+1+2+3+...+32)

=3*(32+0)*33/2

=1584

Answer Link

Otras preguntas

who murder carlton baush in 1976

Why was the temple built on Mount Moriah? Choose all correct answers. ( They are 2) A. The hill was closer to heaven that the surrounding area. B. The temple wa

Susan is paying $0.30 per $100 on her $483,000 home in homeowners insurance annually. If her annual homeowners insurance premium is divided into twelve equal m

define COD (chemical oxygen demand )

Which event most directly caused the council to order the closure of all theaters in London? Jonson becoming a playwright Jonson and Nashe writing The Isle of

Which of the following was a famous Flemish painter? a. Jan van Ecker b. Jan van Erlich c. Jan van Erck d. Jan van Eyck

High levels of muscular fitness can also lead to reduced risk for chronic diseases. true or fale High levels of muscular fitness can also lead to reduced risk f

Mark each statement if it was a factor in the decline of Sumer. Multiple choice questions A. As the fields of Sumer grew saltier, harvests were less plentiful

I need help filling out this table!

what is the first fifteen numbers in π