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cluponka [151]
3 years ago
15

You are dealt two cards successively (without replacement) from a shuffled deck of 52 playing cards. find the probability that t

he first card is a king and the second card is a queen.
Mathematics
1 answer:
Andreyy893 years ago
6 0

there are 4 kings and 4 queens in a deck

 chance of getting a king is 1/52

 chance of getting a queen without the king being put back would be 1/51

1/52 x 1/51 = 1/2652 probability

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Answer:

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8 0
3 years ago
The longer leg of a right triangle is 4m longer than the shorter leg. the hypotenuse is 8m longer than the shorter leg. find the
liubo4ka [24]
Let the shorter leg = a.
The longer leg, b = a + 4.
The hypotenuse, c = a + 8

a^2 + b^2 = c^2

a^2 + (a + 4)^2 = (a + 8)^2

a^2 + a^2 + 8a + 16 = a^2 + 16a + 64

a^2 - 8a - 48 = 0

(a - 12)(a + 4) = 0

a - 12 = 0   or a + 4 = 0

a = 12   or   a = -4

a = -4 is discarded because it is negative.

a = 12
b = 16
c = 20

The lengths are 12 m, 16 m, and 20 m.
8 0
3 years ago
Samir bought 3 pounds of cement to repair the cracks in his sidewalk.Each crack needs to be filled with 2 ounces of cement. Will
drek231 [11]

Answer: He will divide to convert pounds to ounces.

Step-by-step explanation:

7 0
3 years ago
How many tiles of 10cm by a 6cm will be needed to pave a rectangular path of 5m by 3m
kherson [118]

Answer:

2500 tiles

Step-by-step explanation:

convert the path to the same units, one m = 100 cm

path= 500 cm x 300 cm

path area = 150,000 cm^2

each tile = 10x6 = 60 cm^2

150,000/60 = 2500 tiles

6 0
3 years ago
2x 1/2 x3 2/3 im goin to be need a lot of helpppp
RSB [31]

Answer:

3.66666666667

or

3.67(rounded to the nearest tenth)

Step-by-step explanation:

2x 1/2 x3 2/3 = 3.66666666667

<em>Ace Carlos</em>

<em>Developer</em>

4 0
3 years ago
Read 2 more answers
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