gracebuffum
03.05.2020 •
Mathematics
Leroy was playing with a deck of cards. He picked two cards from a standard deck. I what is the probability that both cards will be an ACE?
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Ответ:
yes it is Ace
Step-by-step explanation:
There are 4 aces in a deck of 52 cards. When you draw first card the probability of it being an Ace is 4/52. Since you have already drawn a card which is an Ace then there will be remaining 3 aces in 51 cards. So probability of second card being an Ace is 3/51.
Ответ:
let : A(2;3) and : P(-2; 0)
the radius of a circle is : AP = √((2+2)² +(3-0)²)=√25 = 5