ovientabamarvel
ovientabamarvel ovientabamarvel
  • 03-05-2022
  • Mathematics
contestada

Find the sum of the first 20 term of the Series 5+8+11+14+....​

Respuesta :

XxAtomicxX
XxAtomicxX XxAtomicxX
  • 03-05-2022

Step-by-step explanation:

Sn=n/2(2a+(n-1)d). n=20

S20= 20/2 (2x5+(20-1)3 a=5

S20=10(10+57). d=8-5=3

S20=10x67

S20= 670

Hope this helps you

have a great day

Answer Link

Otras preguntas

Which of the following would most likely be key to gathering evidence that the RNA World hypothesis is valid
Two garden plots were planted with corn. The soil was similar in each, and equal amounts of water were applied to each plot. One plot was fertilized, and the ot
Although Ron has no genital sensations, he is capable of an erection if his genitals are stimulated. Ron's experience is most indicative of a(n)
What do you understand by the term 'life process"?​
Paola is athletic is direct or indirect
Normally menstruation occurs when ________. A) blood levels of FSH fall off B) blood levels of estrogen and progesterone decrease C) blood levels of estrogen an
Calculate the density from the following information: A red block had a mass of 15.7 g. It was placed into a graduated cylinder containing 10.0 mL of water. The
Which description indicates a problem with the social aspects of health? A. Alex is the captain of the soccer team is very popular. he is a very good picky eat
Help meeeee !!!!!!!!!
What is the best Honda dirt bike?