Answer:
It takes 2 1/2 hours to paint each room.
F(x)=-5t^2+20t+60
Divide everything by -5
f(x)=t^2-4t-12
(t-6)(t+2)
Set it up to zero
t-6=0. t+2=0
t=6. t=-2
Since you can’t have negative seconds, the answer is 6 seconds
Answer:
0.94 of her paper is shaded blue.
Step-by-step explanation:
94% needs the % sign moved to the left 2 times and a decimal will be placed where you stop at, so 0.94.
Answer:
The solution is in the attached file