X - the number of the questions worth 2 points
y - the number of the questions worth 4 points
The answer:
There are 45 questions worth 2 points and 5 questions worth 4 points.
Answer:
(z-9)(z+2)
Step-by-step explanation:
U have to find numbers which when u multiply u get -18 and subtract u get -7
-18= -9×+2,2-9=-7
Z²+2z-9z-18
Z(z+2)-9(z+2)
(Z-9)(z+2)
Answer:
1.563
Step-by-step explanation:
Given :
Probability of head, p = 0.64
Number of flips it would take for tail to appear first :
Treatting the question as a geometric function :
Using the relation :
1 / p
Expected number of flips until first tail :
1 / P = 1/ 0.64 = 1.5625
E(x) = expected number of flips until first tail = 1.563
Answer: D or 36 just answered on apex
Step-by-step explanation:
12months(5years)= 60months($800.00) =48,000•.04%
