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cici170
24.07.2019 •
Mathematics
10. susannah is drawing a card from a standard 52-card deck. click playing cards to learn what playing cards are included in a deck. homework ✎ what is the probability that she draws a card that is less than 5?
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Ответ:
In the deck of cards, there is a total of 52 cards which comprises of: kings, queens, jacks, 10, 9, 8, 7, 6, 5, 4, 3, 2, and aces.
In the problem, we were asked the probability of less than 5, so it would be Ace, 2, 3, and 4. 5 is not included since the problem didn’t ask less than or equal to.
So 4 cards and we have 4 suits in the deck. So 4 x 4 = 16.
16/ 52 = .31 is the probability.
Ответ:
472 in²
Step-by-step explanation:
This net is made up of 3 identical rectangles and 2 identical triangles.
Area of a rectangle = width x length
Area of a triangle = 1/2 x base x height
Rectangle
width = 8 inlength = 19 inTriangle
base = 8 inheight = 2 inSurface Area
SA = 3(8 x 19) + 2(0.5 x 8 x 2)
⇒ SA = 456 + 16
⇒ SA = 472 in²