Answer:
x4 = 8
Step-by-step explanation:
To find the mean, add the values and divide by the number of values.
mean = (x1 + x2 + x3 + x4)/4
(3 + 12 + 7 + x4)/4 = 8
x4 + 22 = 32
x4 = 10
Answer:
y=-2 or y=3
Step-by-step explanation:
Y^2-y-6=0
y^2-3y+2y-6=0
y(y-3)+2(y-3)=0
(y+2)(y-3)=0
y=-2 or y=3
hope it helps
Answer:
The answer is 1/216
Step-by-step explanation:
for the first roll, you have a 1/6 chance to roll a 2
same for the other two rolls
so,
1/6*1/6*1/6=1/216
hope that helps
Answer:transversal
Step-by-step explanation:
The normal to the plane required is the cross product of the direction vector of the line of intersection of the planes and the normal vector of the other plane.
