io789 io789
  • 11-07-2017
  • Mathematics
contestada

# 46 please show your work

46 please show your work class=

Respuesta :

jimthompson5910 jimthompson5910
  • 11-07-2017
Replace every n with 15 to get 15*(15-1)/2 = 15*14/2 = 15*7 = 105

Answer is choice C
Answer Link

Otras preguntas

Solve this proportion 10/8=n/10
how is groundwater formed?
who were the real rulers of sparta?
Which of the following is an example of a simile? a. He had big feet. b. His feet were huge dolphins. c. His feet were like baby dolphins. d. His feet looked en
During energy transformations, sometimes energy is destroyed.is that true or false
What property justifies the following statement?If 4x+6=20, then 4x=14.
What is the fewest number of sides a polygon can have?
What are the characteristics of a Market Economy?
The distance covered by one step is 2.5 feet long. how many steps would the average person take to travel 50 feet
Gravity and friction are two kinds ofa.inertiab.forcesc.massesd.gravity