Answer:
Mom=30 Daughter=6
Step-by-step explanation:
M=5×D
M+6=3×D
5D=3D-6
2D=6
D=12
M=12×3=36
Now: D=12-6=6
M=36-6=30
Answer:
45
Step-by-step explanation:
8cm=67-8
Answer:
z-score = 2.
Step-by-step explanation:
The z-score = (x - m) / d where x =the person's score, m = the mean and d = the standard deviation.
So we have (87-67)/10
= 2.
Answer:
x = 2
Step-by-step explanation:
The line goes straight through the x axis
The slope of that line is “undefined”. The slope of horizontal lines are 0 and the slope of vertical lines are undefined.
