9 because you divide 36.54 by 4.06 i’m pretty sure
Answer:
The system of equations is:
x + y = 15
xy = 15
Step-by-step explanation:
solve the first for y and substitute in the second:
y = 15-x
x(15-x) = 15
15x - x� = 15
15x - x� - 15 = 0
-x� + 15x - 15 = 0
x� - 15x + 15 = 0
C. Wich mean she worked 5 hours and half an hour (0.5)
algebra, is a type of math.
You know this is just a formula, right?