101/2 is 50 1/2
23/8 is 2 7/8
50 1/2 - 2 7/8 = 47 5/8
47 5/8 / 1 2/3 = 27.69, to the nearest hundredth
Since he can't make fractions of picture frame, the answer is 27
Answer:
10.7cm
Step-by-step explanation:
x^2= 115
x = √115
x = 10.7
3
7/2 or 3 1/2
9
12
You multiply the number on the top with whatever you are multiplying it with then divide by the number on the bottom
1x6=6
2x3=6
----------
1x15=15
3x5=15
-----------
So, common factors of 6 and 15 are:
1 and 3.
Answer: 20
Step-by-step explanation:
Formula to find the sample size :
Given : Significance level :
Critical value :
Margin of error :
Standard deviation:
Then, we have
Hence, the minimum sample size must be 20.