gldenps574 gldenps574
  • 03-01-2018
  • Mathematics
contestada

Given 6 terms what is the sum of 10+25+40+...+85

Respuesta :

anchitthawi
anchitthawi anchitthawi
  • 03-01-2018
Sn = n/2 ( a1+an)
= 6/2 (10+85)
= 3 (95)
= 285
Answer Link

Otras preguntas

What is the halving and doubling strategy
How are industrial goods different from consumer goods?
What is 12/9 in simplest form
What role do polarity and action potential play in sending out nervous signals?
Which of the following statements correctly summarizes the difficulties of fighting a two-front war? a. It was impossible to keep forces in two theaters supplie
Beyond abolishing slavery in the United States, the Civil War was a pivotal event in American history because it
If fossils are found in metamorphic rocks, how would they likely appear?
Which one of the following statements is true regarding paragraphs? a. A paragraph with two main topics is called a complex paragraph. b. A paragraph should h
Which activity performed by a chemist is primarily based on an understanding of physics?
How were the Revolutionary efforts of George Mason and Thomas Jefferson most alike? A: Both worked together to write the Declaration of Independence. B: Both in