Let @ represent one of the four basic arithmetic operations such that, for any nonzero real numbers P and Q, P @ 0=P and P @ Q=Q @ P. Which arithmetic operation(S) does the symbol @ represent?
If the average (arithmetic mean) of 3, 7, 10, and x is 7, then what is the median of 3,7,10, and x?
The symbol ☆ represents one of the fundamental arithmetic operators:+, -, ×, or ÷. If (x☆y)÷(y☆x)=1 for all positive values of x and y, then ☆ can represent ______.
The symbol ☆ represents one of the fundamental arithmetic operators:+, -, ×, or ÷. If (x☆y)÷(y☆x)=1 for all positive values of x and y, then ☆ can represent ______.
If a is an integer, is b an integer?
(1) The average (arithmetic mean) of a and b is an integer.
(2) The average (arithmetic mean) of a, b, and b+4 is a.
If 10a + 10b =35, what is the average (arithmetic mean) of a and b?
If 70% of the bananas in a particular harvest had an average (arithmetic mean) length of 7 inches and 30% of the bananas in that harvest had an average (arithmetic mean) length of 5 inches, what was the average (arithmetic mean) length, in inches, of all of the bananas in the harvest?
s and t are positive integers whose average (arithmetic mean) is 9. If s < t, what is the median of all possible values of s?
What is the average (arithmetic mean) of 8 consecutive odd integers if the smallest of those integers is n?
If the average (arithmetic mean) of a, b, 4, and 10 is 8, what is the value of a + b?