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

What do you mean by measurement​
Is my answer right? I think it’s A, but I don’t want to get it wrong.
PLEASE HELP which graph represents the solution set to the system of inequalities 2x+y>-4
ASAP 1. what is the mass, in Kilograms, of a star that is 1.5×10^2 times thw mass of the sun? The sun's mass is 2.0×10^30 kg. Express the answer in Scientific n
Name 2 religious groups often associated with polygamy.
Write and evaluate an expression using multiplication
q(x) = 2x+5 f(x)= x^2+1 find (gof)(7)
Who is Louis the xiv
what is the relationship between social science, natural science, physical science, chemistry, and physics?
|5-2(9)|+9^2/3 algebra 2 question