Answer:
7.5 < x≤10.5
Step-by-step explanation:
14<2x−1≤20
Add 1 to all sides
14+1<2x−1+1≤20+1
15<2x≤21
Divide each side by 2
15/2 <2x/2 ≤21/2
7.5 < x≤10.5
Answer:`211
123123
Step-by-step explanation:
Factors of the given quadratic are irrational. You could say it is
Prime
_____
roots are 3.5±√4.25 ≈ {1.438, 5.562}