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

What are the words used by the religion clause in the first amendment?
The density of aluminum is 2.375 grams per cubic centimeter. Find the volume of a portion of a sheet of aluminum that has a mass of 0.78 kilograms?
All my smart people​ click here
Why should we no longer have determinate sentencing?
Ward finances $20,000 to purchase a car. If he gets a 2.5% interest rate regardless of loan length, how much interest will Ward save if he finances the $20,000
y= 1/2x^2-2x+5 what is the vertex form?
Connecting one piece of information with another piece of information helps you:
Find the slope of the line 4y-8x=32
nicks telephone company charges 0.05 per min for weekend calls and $0.09 per minute for calls made on weekdays this month Nick was bailed 622 minutes these char
What type of context clue helps you understand the meaning of the word petulantly in this sentence? A. a synonym context clue B. a general context clue C.