Hayar la suma de los quince primeros numeros pares mayores que 5.... Question from @chuchi500

September 2018 2 17 Report

Hayar la suma de los quince primeros numeros pares mayores que 5

Milenitamashnaki 6+8+10+12+14+16+18+20+22+24+26+28+30+32+34= 266

2 votes Thanks 2

matematicoloco Progresion aritmetica
a1=6
a15=?
d=2
S15=15*{[a1+a15]/2}
entonces:
a15=a1+14*d=6+14*2=34
S15=15*{[6+34]/2}=15*20=300

3 votes Thanks 4

Your name

Reason

Description

" Life is not a problem to be solved but a reality to be experienced! "

Get monthly updates