Answer: C
Step-by-step explanation:
the normal distribution is symmetric about its mean.
so answer c) must be true.
This is true because the system of equations that has solutions is called consistent.
Answer:
Step-by-step explanation:
<em>Vertical angles are equal as per definition.</em>
- ∠E and ∠F are vertical angles
- m∠E = 9x+12 and m∠F = 3x+24
- x = ?
<u>Solution</u>
- 9x+12 = 3x+24
- 9x - 3x = 24 - 12
- 6x = 12
- x = 2
It’s changed by the perimeter by 2/5