Answer:
Answer is 1/13
Step-by-step explanation:
Here we are not intimated about the first (01) twelve (12) cards that are shown, the probability that the thirteenth (13) card dealt is a King, if this is the same as the probability that the (01) first card shown, or in fact any particular card dealt is a King, then it equals:
=4/52
=1/13 ANS
This would equal about 23,900
i hope this helps you.
It is a prime number. 89=1×89 hope it helps
The answer to the question is 4
Answer:

or 
Step-by-step explanation:
Given

Using Completing the Square
---- Add
to both sides


Divide the coefficient of x by 2; then add the square to both sides



Factorize




Hence, the equation is 
Solving further
Take square root of both sides



This implies that
or 
or 
HEnce, the solutions are
or 