$F=n\qquad\qquad\text{(Faces)}\\\\E=2n\qquad\qquad\text{(Edges)}\\\\V=2n-4\qquad\qquad\text{(Vertices)}\\\\\\V-E+F=2\\\\2n-4-2n+n=2\\\\-4+n=2\qquad|+4\\\\\boxed{n=6}$

3 0

3 years ago

Violet is playing a board game with her friends. She earned 78 points during the game, and she receives a game-end bonus for ach

kaheart [24]

Answer:

78 + B = 91...

91 - 78 = B

91 - 78 = 13

B = 13

Step-by-step explanation:

5 0

2 years ago

I need help on how to understand this problem

dangina [55]

Answer:

1/6.2

Step-by-step explanation:

1/(2+3 square root 2)

2+4.24264068712=6.24264068712

6.24264068712 Rounded to the nearest tenth is 6.2

1/6.2

Hope this helps.

4 0

3 years ago