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

3. Students from 4 classes at Franklin Elementary School are going on a field trip to the theater. Each class has 30 students. There will also be 6 teachers and
Where is the moon? I’m graduated so my points are up for grabs cause I’ll never use them. I have to at least as a question with it though.
oh wow i had no idea that is a lot of employees i also want to know what types of programs the federal government fund for its citizens can you give me three ex
m r co m p re ssmy prev acc got banned and this is my new acc...im a boy of 19
Find the Slope Using the slope equation
Differentiate between the points of parity to the points of difference based on the given scenarios. Points of parity I Points of difference A national college
How do you drown a blonde?
the length of a rectangular is one less than twice the width. Find the length + width, if the perimeter is 40
Why is Britney Spears insane? I’m graduated so my points are up for grabs cause I’ll never use them. I have to at least as a question with it though.
Determine which set of side measurements could be used to form a right triangle. 3, 11, 20 5, 9, 17 6, 7, 8 6, 8, 10