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 expression is equivalent to 3x +10- x + 12? A. 26x B. 4x + 22 C.2x + 22 D. 24x
Factor out the greatest common factor
A polygon with side lengths of 6, 9, and 15 forms a triangle. TrueFalse
What are the two cell division stages in the mitotic phase of the cell cycle?
PLEASE HELP! i have by the end of the day to turn this in. PLEASE DONT GUESS
A ✔ monopoly occurs when there is only one company that sells a product in a given market. When competitors agree to sell a product for the same price instead
4. What type of cells are haploid?
What lessons were learned during the Great Depression that are still applicable today? HELP PLSSSSSSSSS
WHO PUT THE FORK IN THE GARBAGE DISPOSAL?!!?!?!?!?!?!??!?1
Simplify the expression given below. (732 - 83 + 21) + (-1363 - 11.2 + 133 + 19)