Answer:
-3+1/5
Step-by-step explanation:
Answer:
15400
Step-by-step explanation:
Step-by-step explanation:
Given that,
Directrix, d= -5, and eccentricity, e = 2.
The polar equation of the conic is given by :

Put all the values,

As e>1, it is a hyperbola. Hence, this is the required solution.
Price per hour of first case :
( Here, a is number of hours )
Price per hour of second case :
( Here, b is number of hours )
Let, after x hours both company charges the same.

Hence, this is the required solution.
Answer:
4 over 9
Step-by-step explanation:
4 over 7 = 0.571428571
2 over 5 = 0.4
7 over 8 = 0.875
4 over 9 = 0.444444444444444