Answer:
168 = x
Step-by-step explanation:
mean = u=132
standard deviation =sigma = 20
z score =z=1.8
The formula is
z = (x-u)/ sigma
Substituting what we know
1.8 = (x-132)/20
Multiply by 20
1.8*20 = (x-132)/20 *20
36 = x-132
Add 132 to each side
36+132 = x-132+132
168 = x
Hopes this helps:
Answer: 3x/4 - 35/8
If it’s wrong than I am so sorry that I couldn’t help you.
We know that,
which means
Now insert the data to get,
Hope this helps :)
The y intercept is -4 and the 2/3x is the slope