Answer:
117
Step-by-step explanation:
Sum of all the angles of a triangle is 180
Let the third angle be 'x'
41 + 22 + x = 180
63 + x = 180
x = 180 - 63
x = 117
I don’t know if you can see this but I hope it does if u don’t understand let me know so I can explain!
Answer:
~4.7%
Step-by-step explanation:
Area of the rectangle: 35*52=1820
Area of 1 small circle: A=πr2=π·32≈28.27433
28.27433*3=84.82299
84.82299/1820=0.04660603846
Therefore, about 4.7%
Answer:
15.6
Step-by-step explanation:
because 6×2.60
Answer: 323
Step-by-step explanation:
The formula to calculate the sample size for proportion is given by :_

Given : Significance level : 
Critical value : 
Margin of error : 
The proportion of successes : 
Now, the required sample size will be :-

Hence, the minimum required sample size = 323