Answer:

Step-by-step explanation:
11.7
Answer:
-2x - 6
Step-by-step explanation:
-2(x + 3)
-2 · x = -2x
-2 · 3 = -6
-2x - 6
Answer:
12,000
Step-by-step explanation:
The machine fills the containers at a rate of 50+5t milliliters (mL) per second.
Therefore, the rate of change of the number of containers, N is:


When t=60 seconds

Therefore, 12,000 milliliters of acid solution are put into a container in 60 seconds.
Answer:Amount of white paint used by Sarah =1.82 pints
Step-by-step explanation:
Amount of blue paint and white paint to paint her bedroom walls.=9.1 pints
Amount of blue paint used =4/5 x 9.1=7.28 pints
Amount of white paint used=Amount of blue paint and white paint to paint her bedroom walls -Amount of blue paint used
=9.1-7.28=1.82 pints
2.75 as a mixed number would be: