jshaSa3racgon jshaSa3racgon

05-05-2016
Mathematics

contestada

What is the sum of a 58-term arithmetic sequence where the first term is 6 and the last term is 405?

11,097
11,508
11,919
12,330

Respuesta :

meerkat18 meerkat18

12-05-2016

Given:
58 - term
first term : 6
last term : 405

Sum = n * (a+l)/2
Sum = 58 * (6 + 405)/2
Sum = 58 * 411/2
Sum = 58 * 205.5
Sum = 11,919

Answer Link

barncats barncats

12-03-2021

Answer:

11,919

Step-by-step explanation:

took the test

Answer Link

Otras preguntas

The principle difference between point source and nonpoint source water pollution is _______. a. whether the pollution is organic or inorganic b. the number of

What is the fluid that fills the nucleus called?

You are playing an Algebra 1 board game with your friends in Mr. Harris's class. It is your turn. You roll the dice and move your token to the next box in the b

Which of the following constitutes an unintended result of the Latin American revolutions? A) the complete Independence from Spain B) the breakdown of the caste

what is 30% of ( ) equals 60, find the missing number. ALso if possible please provide your strategy for finding this awnser so I can use it in the future, i

Which of the following is not a result of heavy use of irrigation water? A. Leaching of nutrients B. Increase in salt concentration of the soil C. Increase in s

expand and simplify (2+3i)(4-I)

Which statement best summarizes the main theme of the story? The gods are petty and will punish you if you embarass them. If you brag, people will gossip and tu

400 reduced by 3 times my age is 163. What is his age?

In the early 19th century, Americans sought to resolve their political disputes through compromise, yet by 1860 this no longer seemed possible. Analyze the reas

Q&A Education