There are
ways of drawing a 4-card hand, where

is the so-called binomial coefficient.
There are 13 different card values, of which we want the hand to represent 4 values, so there are
ways of meeting this requirement.
For each card value, there are 4 choices of suit, of which we only pick 1, so there are
ways of picking a card of any given value. We draw 4 cards from the deck, so there are
possible hands in which each card has a different value.
Then there are
total hands in which all 4 cards have distinct values, and the probability of drawing such a hand is

Answer:
12
Step-by-step explanation:
12/2=6
replace x with 12
Step-by-step explanation:
answer 30- supplying water to the plants at a specific interval
answer-31 there are five major groups of microorganisms they are : bacteria,fungi algae, protozoa,viruses.
answer-35 the process by which the young form of insects and some animals develops into adult.
answer - 37 sounds that can be here are called audible and the sound frequency that we cannot hear are called in audible sound
answer-34 the rain that contains the chemicals in it from the factories
answer-38 catract is a disease which causes blurrness in the eye lens
Answer:
p
Step-by-step explanation:
1.27 repeated is the answer