Answer:
A
Step-by-step explanation:
Hopefully this helps
I would say the answer is 9. BUT again I'm not sure what your asking!
The correct answer is A!
c(x) = 1.50 + 1.25x
Their beginning time was 16.06 minutes.
<u>Step-by-step explanation:</u>
The track team is trying to reduce their time for a relay race.
First they reduce their time by 2.1 minutes, take it as 
. Then they are able to reduce that time by 10 minutes, take it as 
. Let ‘X’ be the time in minutes at the beginning.
Given that their final time is 3.96 minutes, then their beginning time can be calculated as below,
By substituting the values, we get
Hence, their beginning time was 16.06 minutes.
A steel cylinder with a moveable piston on top is filled with helium (He) gas. The force that the piston exerts on the gas is constant, but the volume inside the cylinder doubles, pushing the piston up.
Which of the following answers correctly states the cause for the change described in the scenario?
The temperature increased.The density of the helium atoms decreased.The pressure decreased.The helium atoms increased in size.
