Answer:
What do you mean?
Step-by-step explanation:
Answer:
The center of the tetrahedron divides each of the four heights (or medians) in the ratio 1:3 (in an equilateral triangle the corresponding ratio is 1:2). The smaller part is also the radius of the inscribed sphere. Therefore the radius of this sphere is one quarter of the height or 9 in your case.
ANSWER
B. The graph is symmetric about the origin
EXPLANATION.
The given function is

When a=1,

Let,


Since n is odd,


This implies that, the function

is symmetric with respect to origin.
The correct answer is B
Answer:
1. 310.5
2. 360
3. 832
4. 1200
Step-by-step explanation:
Answer:
19
Step-by-step explanation:
Since these two are vertical angles, their measure must be equal. Therefore:

Hope this helps!