Answer:
11
Step-by-step explanation:
The mean is calculated as
mean = 
let the third number be x , then
= 15 ( multiply both sides by 3 to clear the fraction )
34 + x = 45 ( subtract 34 from both sides )
x = 11 ← third number
Answer:
the answer is 18
Step-by-step explanation:
Answer: Answer:The solution to the given system of equations is (2.8,0.1)
Step-by-step explanation: I got it correct on the Unit Test
All of these questions will be exponents and variables.
The answer would be 78 because 10% of 60 is 6. 6 x 3 = 18 60+18=78