The correct option is : 2
<u><em>Explanation</em></u>
For finding the mean number of working TV sets, we need to <u>divide the total number of TV sets by the total frequency</u>.
Now for finding the total number of TV sets, first we will <u>multiply each number of TV sets by it's frequency and then sum up all the results</u>.
So, the total number of TV sets
and total frequency 
Thus, the mean number of working TV sets 
Answer:
Step-by-step explanation:
The average is 7.5 hours of sleep each night.
There are 365 nights in 1 year.
Answer:
10
Step-by-step explanation:
Answer:
171 in³
Step-by-step explanation:
Your answer is A and D. adjacent angles and vertical angles.
<u>Adjacent angles and vertical angles.</u>
From the given figure, it can be seen that ∠x and 50° form adjacent angle pair. using the straight line property, we have
Now, if we put x=40° and add with angle having measure 50°, it forms complementary angles.
Thus, <u>option a and d </u> are the correct answers.
Learn more about "Angles" here https://brainly.in/question/3831032
