Answer:
16/33
Step-by-step explanation:
Tổng của cả 4 tấm thẻ là một số lẻ khi:
Có 1 thẻ là lẻ, 3 thẻ còn lại là chẵn, có: 6C1.5C3=60 cách
Có 3 thẻ là lẻ, 1 thẻ là chẵn, có: 5C1.6C3=100 cách
Suy ra có 160/11C4=16/33 cách
Answer:
First option: 
Step-by-step explanation:
The missing graph is attached.
The equation of the line in Slope-Intercept form is:

Where "m" is the slope and "b" is the y-intercept.
We can observe that:
1. Both lines have the same y-intercept:

2. The lines are solid, then the symbol of the inequality must be
or
.
3. Since both shaded regions are below the solid lines, the symbol is:

Based on this and looking at the options given, we can conclude that the graph represents the following system of inequalities:

Answer: what type of math is this
Step-by-step explanation:
Answer:
−11b^2+8b−4
Step-by-step explanation:
−4b2+6b−9−7b2+2b+5
Simplify by adding terms.
11b2+8b−4
Answer:
scalene acute
Step-by-step explanation: