Answer:
<4 = 22
Step-by-step explanation:
<4 = x
x + 158 = 180
x = 22
I believe 15 would be the correct answer
Answer:
X=3, y=5
Step-by-step explanation:
3x + y = 14 equation 1
y=5 equation 2
3x + 5 = 14. substitute value of y from equation 2 into equation 1
3x=9
x-3
Answer:
C : does not have statistical significance
Step-by-step explanation:
Because there is a 15% chance of getting that many girls by chance, the method - does not have statistical significance.
By this method, the percentage of girls =
or 51.15%
This type of method does not have practical significance.
(x2-x1)/(y2-y1)
(1+2)/(1-13)
3/-12
the slope of the graph is -1/4