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aivan3 [116]
3 years ago
15

If you are dealt 4 cards from a shuffled deck of 52​ cards, find the probability of getting 2 queens and 2 kings.

Mathematics
1 answer:
aivan3 [116]3 years ago
4 0

Answer:

1.083

Step-by-step explanation:

Exact form: 13/12

Decimal form: 1.083 (put a line above the 3)

Mixed number form: 1 1/12

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Player A led a baseball league in runs batted in for the 2008 regular season. Player​ B, who came in second to player​ A, had 16
Ivan
Player a is 139
player b is 107

8 0
3 years ago
Suppose A and B are square matrices of the same size. Which of the following are necessarily true?
kiruha [24]

Answer:

c. (A + B)^2-A^2 + 2AB + B^2

Step-by-step explanation:

Given that:

a.

(A-B)^2 = A^2 - 2AB + B^2

If and only if AB = BA

Then;

(A-B)^2 = (A -B ) (A - B)

(A-B)^2 = A^2 - AB-BA + B^2    (FALSE)

b.

(AB)^2=A^2B^2

on true if any only if AB =BA

(AB)^2= (AB) (AB)

c.

(A+ B)^2 =  A^2 + 2AB + B^2

(A+ B)^2 = (A + B) (A+B)

(A+ B)² = A × A + A × B + B × A + B × B

(A+ B)^2 = A^2 + A*B + B*A + B^2

This is true

5 0
3 years ago
The rectangle below has a total perimeter of 125 cm:
Jlenok [28]

A rectangle has four sides, two equal to the width and two equal to the length. So, the perimeter is

p = 2w+2l

If we know that the width is 5, and the perimeter is 125, we have

125 = 2\cdot 5 + 2l \iff 125 = 10+2l

In your case, the unkown is called x, but the concept is the same:

2x+10 = 125

where x is the length of the rectangle.

6 0
3 years ago
-5(4x-2) = -2(3+6x)<br> what is the answer and how do you get it
Serhud [2]

Answer:

x = 2

Step-by-step explanation:

-5(4x - 2) = -2(3 + 6x)

-20x + 10 = -6 - 12x            Distribute -5 to 4x and -2 and distribute -2 to 3 and

                                           6x

10 = -6 + 8x                        Add 20x to both sides

16 = 8x                                Add 6 to both sides

2 = x                                   Divide 8 to both sides

8 0
3 years ago
Read 2 more answers
Please help! I have no clue how to do this problem. Any help would be appreciated:)
lutik1710 [3]

Answer:

13

Step-by-step explanation:

180-96=84

(4x-10)+(4x-10)= 84

X=13

4 0
3 years ago
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