Answer:right
Step-by-step explanation:
Answer:
Step-by-step explanation:
pythagorean theorum: a^2 + b^2 = c^2
40 x40 = 1600
30 x 30=900
1600+900= 2500
Square root of 2500 =50
Answer:

Step-by-step explanation:
Given
Sample Size = 2500
Percentage = 30%
Required
Calculate Mean of Y
Mean or Expected Value is calculated as thus;

Where E(Y) represents the mean
n represents the sample size (or population)
p represents the success probability
%

So,


Hence, the mean value of Y is 750
Answer:
6.2857142857 or 6.29 is the circumference of the circle
Answer:
well,the solution is x=4 y=0.... if that helps