Answer:
C.
Step-by-step explanation:
VU is tangent at point U and WU is radius.
is right angle triangle.
WZ = WU = x - 1 (Radii of same circle)
WV = x - 1 + 2 = x + 1
By Pythagoras Theorem:
Equating it with
We find:
a = 1, b = - 5, c = 4
When x = 4, radius (r) = 4 - 1 = 3
When x = 1, radius (r) = 1 - 1 = 0, which is not possible.
Area of
These lines look like the MEDIANS of each side of the triangle. A median bisects a side of the triangle (splits it exactly in half) into two equal halves. Where 3 medians of a triangle meet is termed the CENTROID of the triangle.
Answer: 13
Step-by-step explanation:
8-10= 2 - 9 = 11 - 2 = 13 soo that how you got the answer 13 .
Answer:
a) P(1) = 0.1637
b)
c) E(x) = 0.2
Step-by-step explanation:
If X follows a poisson distribution, the probability that a disk has exactly x missing pulses is:
Where m is the mean and it is equal to the value of lambda. So, replacing the value of m by 0.2, we get that the probability that a disk has exactly one missing pulse is equal to:
Additionally, the probability that a disk has at least two missing pulses can be calculated as:
Where .
Then, and are calculated as:
Finally, In the poisson distribution, E(x) is equal to lambda. So E(x) = 0.2
V = a²h/3
Plugging values in we get 8.67X10^7, or 86,700,000