4a = 36
to solve for a, divide both sides by 4 to get a by itself.
<u>4a</u> = <u>36
</u> 4 4
<u>
</u>a = 9
Answer:
I think it's six
Step-by-step explanation:
A= 1
b= 2
c= 3
The information given about the probability shows that the cardinality of D is 18.
<h3>How to calculate the probability?</h3>
From the complete information, the number of red-colored cards is 26.
Also, the number of red-colored number cards will be 18.
The cardinality of a set is a measure of a set's size, meaning the number of elements in the set.
Here, the cardinality of set D is 18.
Here is the complete question:
Take a deck of playing cards. Form following sets out of those:
A = Set of Face Cards
B = Set of Red Coloured Face cards
C = Set of Black Coloured Face Cards
D = Set of Red Coloured Number Cards
Find the Cardinality of set D
Learn more about probability on:
brainly.com/question/24756209
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