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

How to find the measure of an interior angle inside a regular polygon
Question Which of the following is NOT in scientific notation? A. 9.308 x 105 B. 2.758 x 10-6 C. 1.043 x 108 D. 0.316 x 10-4
What basic ingredient for thyroid hormone synthesis must be obtained from dietary intake?
Help meee pleaseee.i don’t understand this exercisee
What is the range of this data set? 64°, 72°, 74°, 68°, 70°, 68°, 68°, 75°, and 44°
What are the rules for the rumble outsiders chapter 9
Answer for 77 points, and brainliest! What was a characteristic of economic development in the South? A) a focus on new technology to upgrade factory machines B
how do you do thissss???
Marginal cost increases as the quantity of output increases. This reflects the property o
solve pls don't spam for marks​