Answer:
y = 4x -3
Step-by-step explanation:
When a reference line is given in (almost) standard form, I find it convenient to use that form for the perpendicular line, then rearrange as required.
Dividing the given equation by 3 gives ...
x +4y = -2
Swapping the x- and y-coefficients and negating the new y-coefficient gives a perpendicular line:
4x -y = constant
We can find the constant by substituting the given point values:
4x -y = 4(-1) -(-7) = 3
Solving this for y gives ...
y = 4x -3
Answer: 0.7619
Step-by-step explanation:
Given : Mean :
Standard deviation :
Sample size :
We assume that the variable is normally distributed.
The value of z-score is given by :-
a) For x= 46.9 years
The p-value :
Hence, the probability that the average age of those doctors is less than 46.9 years =0.7619
Answer:
180
Step-by-step explanation:
-9*4=-36
-36*-5=180
If you would like to solve the equation 1/2 + 9/10 + m + n = 2, you can do this using the following steps:
1/2 + 9/10 + m + n = 2
m + n = 2 - 1/2 - 9/10
m + n = 20/10 - 5/10 - 9/10
m + n = 6/10
m + n = 3/5
If you want to solve this equation for m:
m = 3/5 - n
If you want to solve it for n:
n = 3/5 - m