Answer:
10
Step-by-step explanation:
1 of 5 sections is yellow. So the expected number of times the spinner lands on yellow is:
(1/5) (50) = 10
Answer:
pus$y
Step-by-step explanation:
Answer: β ≠ ±1
Step-by-step explanation: For a system of equations to have an unique solution, its determinant must be different from 0: det |A| ≠ 0. So,
det ≠ 0
Determinant of a 3x3 matrix is calculated by:
det
β ≠ ±1
For the system to have only one solution, β ≠ 1 or β ≠ -1.
Ok so... what wait weres the pic??