Answer:
360
Step-by-step explanation:
multiply 90 and 4
Y = -1/2x + 4
2y = -x + 8
x + 2y = 8: the standard form
Answer:
Discrete variables
Calculate the mean.
Subtract the mean from each observation.
Square each of the resulting observations.
Add these squared results together.
Divide this total by the number of observations (variance, S2).
Use the positive square root (standard deviation, S).
Yes it’s right for this problem
X + Y = 35 - 1
X + Y = 65 - 2
2x= 100
x= 50
50-y= 65
y= 50-65
y= -15
