Answer:
the probability of flipping n times is 12n, since that's the probability of flipping exactly n−1 tails followed by 1 heads.
Step-by-step explanation:
Answer:
21 matches
Step-by-step explanation:
This is a combination problem where we have to select two member out of 7 members
So we want calculation of 7C2
7C2 = 7!/[(2!)(7-2)!]
(7*6*5*4*3*2*1)/[(2*1) *(5*4*3*2*1]
(7*6)/2 ~ Note everything that easily cancels here!
42/2
21 matches
By just changing the x and numbers you can solve it:
-4x=-8 => x=2
Answer:
b the answer is b
Step-by-step explanation:
idk what they mean but i got an 100 and i had this questin so a
Answer:
64
Step-by-step explanation:
i calculated using https://www.calculator.net/triangle-calculator.html :/