always do the PEMDAS it helped me a lot in school
Answer:
5 BTUs/ft^3
Step-by-step explanation:
800 BTUs * 30 students = 24000 total BTUs combined
Volume of room = 20 feet * 20 feet * 12 feet = 4800 cubic feet
BTUs/ft^3 = 24000 BTUs / 4800 cubic feet = 5 BTUs/ft^3
So the amount of BTUs per cubic foot that were produced was 5 BTUs/ft^3
Answer:
Step-by-step explanation:
a + 8s + 10s = a + 18s
Like terms have same variable with same power. Combine like terms.
Answer: v = 793.77 mph
Step-by-step explanation: Linear speed of a circular movement is calculated by using the formula:
v = ω.r
where
ω is angular velocity
r is radius of the path
<u>Angular</u> <u>velocity</u> is the rate of change of the angular position of an object with respect of time, i.e., is how fast an object changes its angular position with time:

The Earth takes 24 hours to complete a rotation, then angular velocity:

0.262 rad/h
At a location 40° north, radius is 3033.5 miles, so:
v = 0.262*3033.5
v = 793.77
<u>At latitude of 40°north, linear speed is </u><u>793.77mph</u>.