2/3
=0.6666666... is your final answer. Hope it help!
I think the answer is:
30,000+200s = 80,000
where s represents the sales
Tony has 24 books in total because if 1/8 of the books are mystery and there are 8 mystery books you have to multiple the denominator by the amount of mystery books (8*3=24).
Answer:
Step-by-step explanation:
Its correct corrdenates are -8, 1 and 5, -3
Plug
into the equation of the ellipsoid:

Complete the square:

Then the intersection is such that


which resembles the equation of a circle, and suggests a parameterization is polar-like coordinates. Let



(Attached is a plot of the two surfaces and the intersection; red for the positive root
, blue for the negative)