Answer:
a) Prepare a frequency table for the data
Step-by-step explanation:
Answer:
7.36
Step-by-step explanation:
z-score is:
z = (x − μ) / σ
Given that z = -1.63, x = 23, and μ = 35:
-1.63 = (23 − 35) / σ
σ ≈ 7.36
Answer:
y-3 = 2x
2x-y+3=0 we have
slope
m =- coefficient of x/coefficient of y=-2/-3=2/3 is a slope..
Answer:
The solution of this system of linear equations is
.
Step-by-step explanation:
Let be the following system of linear equations:
(1)
(2)
From (1) we clear
:


And we apply this variable in (2):





And the value of
is:



The solution of this system of linear equations is
.
Answer:
d. reflect triangle abc across line ab
Step-by-step explanation: