The expected number of heads seen in 12 flips is 8 heads seen
The correct answer here is A
Explain
Because ABD to triangle FED using rotation at 180 degree
Answer:
the value of x is 116
Step-by-step explanation:
180-64=116
Answer:
The answer is (d) ⇒ eccentricity = 6 , hyperbola , directrix x = 3/2
Step-by-step explanation:
∵ r = ek/(1 ± ecosФ)
∵ r = 9/(1 + 6cosФ)
∴ e = 6 ⇒ eccentricity = 6
∵ e > 1
∴ The conic is hyperbola
∵ ek = 9
∴ k = 9/6 = 3/2
∴ The directrix x = 3/2