You will get 20 tickets.<span />
Answer:
3
Step-by-step explanation:
to find the mean you find the average of that set
Semester 1 : 78+91+88+83+94 = 434
434 / 5 = 86.8
Semester 2 : 91+96+80+77+88+85+92 = 609
609 / 7 = 87
Add the pic and I’ll be able to answer it
Answer:
around 40.74%
Step-by-step explanation:
11+16=27
27=100%of class population
11/27= around 40.74%
If you graph the three given points, you can see that the vertex (h,k) is (-1,3).
Equation of a quadratic function is: y = a(x - h)² + k
Plug in the vertex and one of the points (I chose (0,1)) and solve for "a".
1 = a(0 + 1)² + 3
-2 = a
Answer: f(x) = -2(x +1)² + 3