Answer:
The number of edges is 
Step-by-step explanation:
we know that
The Euler's formula state that, the number of vertices, minus the number of edges, plus the number of faces, is equal to two
so

In this problem we have

substitute and solve for E


Answer:
1/21
Step-by-step explanation:
The baker makes 84 loaves of bread,
Out of the 84 bread, 4 of them got burn.
Fraction that the loaves does the burn will be expressed in 4/84 = 1/21.
Answer:
Step-by-step explanation:
M is the midpoint
=>
⇔
⇒M(
;
)
ST=
=
=1.414
D
Number of hours is x values and cost of service is y.
To find slope you have to find the change in y over the change in x.
We can use any points in the table to calculate this amount.
Eg, 3-5 hours and 125-175 dollars.
The difference in y values is $50 and the difference in hours is 2.
50/2=25
The slope is 25