Answer:
c
Step-by-step explanation:
y-intercept is the function value at x = 0, and we can always substitute x = 0 into the quadratic. Thus, the y-intercept of the quadratic function
y = ax2 + bx + c is c.
Answer:
26.67
Step-by-step explanation:
Yes its correct you did well :)
Answer:
x ≥ 25/9
Step-by-step explanation:
7x + 6 ≥ 31 - 2x
7x ≥ 25 - 2x
9x ≥ 25
x ≥ 25/9
Answer:
53 adults
Step-by-step explanation:
Let
x---------> the number of adults
y -------> the number of students
we know that
-----> equation A
-----> equation B
Equate equation A and equation B
solve for x
therefore
There are 53 adults