Math Is Fun Forum
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °
You are not logged in.
- Topics: Active | Unanswered
Pages: 1
#1 2014-08-25 16:27:05
- math4matthew
- Member
- Registered: 2014-08-25
- Posts: 3
Average/arithmetic mean...
If the average (arithmetic mean) of x and y is k, which of the following is the average of x,y, and z?
a) 2k+z/3
b) 2k+z/2
c) k+z/3
d) k+z/2
e) 2(k+z)/3
Offline
#2 2014-08-25 18:26:46
- Olinguito
- Member
- Registered: 2014-08-12
- Posts: 649
Re: Average/arithmetic mean...
If what is ?
Bassaricyon neblina
Offline
Pages: 1