Answer:
C. 37.5 minutes
Step-by-step explanation:
You can set up a proportion to help you figure this out.
12/15=30/x (in this proportion, the number of laps are both on the numerator and the time it takes her is on the denomiator.)
Now, just cross multiply and your equations should be: 12·x=15·30, which equals to 12x=450.
Divide 12 on both sides and x=37.5
The intersection of two coplanar, non-parallel lines is a point
Make use of the formulas that relate p and a to the focus and directrix. Fill in the values you know and solve for the remaing one(s).
Answer:
[See Below]
Step-by-step explanation:
✦ If 
and 
then multiply:
✧ 
So 
.
~<em>Hope this helps Mate. If you need anything feel free to message me. </em>
Answer:
hi
Step-by-step explanation:
