Answer:
The quality control facility operates for 10 hours each day.
Step-by-step explanation:
The given function models the number of cars that are put through a quality control test each hour at a car production factory.
The given function is

We need to find the number of hours does the quality control facility operate each day.
Rewrite the given function it factored form.


Taking out the common factors from each parenthesis.



The factored form of given function is c(t)=-(t-10)(t+2).
Equate the function equal to 0 to find the x-intercept.



Number of hours cannot be negative. So from t=0 to t=10 quality control facility operate the cars.
Therefore the quality control facility operates for 10 hours each day.
Answer:
12 cups
Step-by-step explanation:
2/5 times 12 =4 4/5
Answer:
there are 6 cakes if there are 60 cookies
Step-by-step explanation:
1:10
60÷10=6
1:10 (multiply both sides by 6)
6:60 there are 6 cakes
Answer:
x=1
Step-by-step explanation: