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

Which construction is illustrated below? Picture attached.
I did it twice but i cant get it
Graphs and equations of lines
Match the following phrases with the corresponding terms. 1. the outer layer of skin that is responsible for the production of melanin and keratin sebum 2. a
Select all the correct answers. What are two reasons that Middle Eastern terrorist groups are hostile to the United States? The United States invaded Iraq. The
What two STI’s cannot be cured and can always be passed to someone else, even if you do not have symptomsOnline Content: Site 1
If [tex] \frac{1 + ai}{2 + i} = 1 + bi[/tex]where a and b are constant terms, fibd the values of a and b.
in what ways did the idea of tradition informed and justify their various calls for seperate nationhood?
Helppp Plssssss Asap!!<br /><br />Thanks
can you guys help me answer these!??