Answer:
The answer is %2,4
Step-by-step explanation:
Residents can press on 10 different button choice when they enters the elevator. Number of components for the sample space for the event is
There are 8 different possibilities that 3 consecutive buttons are pressed those are:
-1,2,3
-2,3,4
-3,4,5
-4,5,6
-5,6,7
-6,7,8
-7,8,9
-8,9,10
When the pressing order doesn't matter, those buttons can be pressed 3 different ways for each possibility.
The probability is:
Answer:
x = 7
Step-by-step explanation:
3x/2 - 10 = 1/2
3x/2 - 20/2 = 1/2
3x - 20 = 1
3x = 21
x = 7
Hope this helped!
Answer:
hello :
f(x) = 13/ (x-3)
f(x) exist : x - 3 ≠ 0
x - 3 = 0 : x = 3
the domain of the function : f is D = ]-∞:3[ U] 3;+∞[