5/(6x-2)=-1/(x+1)
5*(x+1)=-1*(6x-2)
5x+5=-6x+2
11x+5=2
11x=-3
x=-3/11
Hope this helps :)
The 50th percentile is the median so the z score will be 0
Answer:
1st option
Step-by-step explanation:
Given the 2 equations
2x + 5y = 19 → (1)
y = 3x - 3 → (2)
Substitute y = 3x - 3 into (1)
2x + 5(3x - 3) = 19