a. true
b. false ( angles should equal 180 125+65=190)
c. true
d. true
e. true
Answer:
Ellipse when the (tilted) plane intersects only one cone to form a bounded curve.
Step-by-step explanation:
hope it will help :)
2.7? im actually not 100%sure on this one
Answer:
10
Step-by-step explanation:
Answer:
519
Step-by-step explanation:
Let's assume that the scores for the national verbal proficiency test follow a normal distribution.
Mean score (μ) = 500
Standard deviation (σ) = 75
According to a Z-score table, the score for the 60th percentile is roughly z = 0.253
For any score "x", the z-score is given by:

For z = 2.53:

The raw score to the 60th percentile is 519.