Answer:
refer to the above attachment
Answer:
47.72%
Step-by-step explanation:
Given
Mean (u) = 15
SD = 4
P(15<x<23) = 
= 
=P(0<z< 2)
=P(z<2) - P(z<0)
Use standard normal table to find probability of the z score
= 0.9772 - 0.5
= 0.4772
47.72%
The y angle should be 120°.
Answer: 9.1 is larger
Step-by-step explanation:
9.1 > 
= 9.05
Answer:
x=7
Step-by-step explanation:
6x-7 and 4x+7 are vertical angles and are thus equal. Then 6x-7 = 4x+7, or 2x = 14.
x = 7.