Answer:
B = 3
Step-by-step explanation:
3x + 15 = 4x + 12
= 15-12=4x-3x
= 3 = x
X = 3
Answer:
1. -11
2. 4.6
3. 5.8
4. -6
Step-by-step explanation:
Answer:
Replace x with −x and y with −y
to check if there is the x-axis, y-axis, or origin symmetry.
Not symmetric to the x-axis
Not symmetric to the y-axis
Not symmetric to the origin
but
Find the axis of symmetry-
x=1
Step-by-step explanation:
Answer:3.38
Step-by-step explanation:
Count, N: 5
Sum, Σx: 18
Mean, μ: 3.6
Variance, σ2: 11.44
Steps
(10 - 3.6)2 + ... + (2 - 3.6)2
5
=
57.2
5
= 11.44
σ = √11.44
= 3.38
