Find the equation of a parabola with a focus of (0, 9) and directrix y = –9.
A. Y= - 1/9x^2
...
Mathematics, 27.08.2021 05:20, bangtann77
Find the equation of a parabola with a focus of (0, 9) and directrix y = –9.
A. Y= - 1/9x^2
B. Y= 1/36x^2
C. Y= - 1/36^2
D. Y= 1/9^2
Answers: 2
Mathematics, 21.06.2019 16:30, xojade
The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms
Answers: 3
Mathematics, 11.05.2021 14:50
Mathematics, 11.05.2021 14:50