EllaLovesAnime
13.01.2020 •
Mathematics
You draw 1 card at random from a well-shuffled deck of 52 cards, put it back, reshuffle, and draw another card at random. the events "get the queen of hearts on the first draw" and "get the ace of spades on the second draw" are independent events.
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Ответ:
Ответ:
5
Step-by-step explanation:
AC=AB+BC
so 16=x+1+x+7
which simplifies to 16=2x+8
subtract eight from both sides to get 8=2x
then divide by 2 to get that x=4
AB=x+1, which substitutes into 4+1=5