Answer:
168
Step-by-step explanation:
GIVEN: Nadia is making a rectangular moisac out of 
inch by inch tiles. The rectangle is 
inches long and 
inches wide.
TO FIND: How many tiles will Nadia use to cover the rectangle completely.
SOLUTION:
Area of rectangular moisac
Area of one tile 
According to question
Total tiles required 
tiles
Hence, 168 tiles are required to completely cover the rectangular moisac.
Answer:
220
Step-by-step explanation:
There are 6 comedies and 12 non-comedies. He wants all 6 of the comedies, and 3 of the non-comedies.
The number of ways he can choose 6 comedies from 6 is ₆C₆ = 1.
The number of ways he can choose 3 non-comedies from 12 is ₁₂C₃ = 220.
So the total number of combinations is 1 × 220 = 220.
Answer:
12b+7
Step-by-step explanation:
there's 12 of b and it increases by 7
Answer:
The hypotenuse is 10201
Step-by-step explanation:
20^2+99^2=101^2
400+9801=10201
10201=10201
Answer: 27.4 hours
Step-by-step explanation:
According to the given statement "A survey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, etc.)."
Since the word average is synonym of word mean.
Therefore, the sample mean must have the nearest value to the given average.
From the given options 27.4 is the nearest value to the average of 258.6.
Hence, the population mean = 27.4 hours.
