Answer:
The standard error of the mean = 5.14 mins
Step-by-step explanation:
Number of random sample (n) = 20
Mean(X) = 31.25 mins
Standard deviation (α) = 23.7 mins
Standard error of mean =
standard deviation / √sample size
= 23.7/√20
= 23.7/4.4721
= 5.14 mins
Answer: 5y^3-7x^5
Step-by-step explanation:
Answer:
<A = 30°
Step-by-step explanation:
5x - 18 = 3x + 42
2x = 60
60/2 = 30
<A = 30°
hope this helps :)
4 < -8
-3+7= 4
-10-2= -10+2= -8
