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 best describes the sentence? The sentence is built around the simple subject “school” and simple predicate “left.” It also contains an indirect object “us
The United States government during the Spanish civil war from 1936 to 1939
5. Ray wants to buy a hat that costs $10 and some shirts that cost $12 each. The sales tax rate is 6.5%. The expression 0.065(10 + 12s) can be used to determine
A chemist dilutes a 1.0 mL sample of 2.0 M KNO3 by adding water to it. If the concentration of the solution that is obtained is 0.0080 M, what is its volume? Us
A rectangle has an area of 84cm2. Its longer side is 5cm than the shorter size. Find its perimeter. I need this answered ASAP
What is chromosome walking?
Homework help! Pls answer the question below (ignore #8, just answer #9 and look at the pic) | | | v
What countries were the Axis Powers?
GRAMMARRewrite the sentences in the passive, without the agent.The police caught the burglar immediatelyThe burglar:​
How many neutrons are in osmium