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cluponka [151]
4 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:
Andreyy894 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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The equation for the circle is:
balu736 [363]

Answer:

(-7, -5)

Step-by-step explanation:

x² + y² + 14x + 10y − 7 = 0

Strategy:

Convert the equation to the centre-radius form:

(x - h)² + (y - k)² = r²

The centre of the circle is at (h, k) and the radius is r

Solution:

Group x and y terms together; move the number to the right-hand side.

x² + 14x + y² + 10y = 7

Complete the square for x

(Take half the coefficient of x, square it, and add to each side of the equation)

(14/2)² = 7² = 49

(x² + 14x + 49) + (y² + 10y) = 56

Complete the square for y

(Take half the coefficient of y, square it, and add to each side of the equation)

(10/2)² = 5² =25

(x² + 14x + 49) + (y² + 10y + 25 ) = 81

Express the result as the sum of squares

(x + 7)² + (y + 5)² = 9²

h = -7; k = -5; r = 9

The centre of the circle is at (-7, -5).

The graph of the circle below has its centre at (-7, -5) and radius 9.

3 0
4 years ago
What is 169.56 rounded to the nearest hundredths?
dedylja [7]
It is already rounded to the nearest hundreth. .5 is a tenth, .06 is a hundreth.
3 0
3 years ago
Triangle ABC is the image of Triangle DEF under a dilation such that AB=3/4 DE. Which of the following best describes Triangles
koban [17]

Answer:

B :similar but not congruent

7 0
2 years ago
X-y+z=6, 2y+z=12, z=2
snow_tiger [21]
For z=2⇒ 2y+2=12
                2y=12-2
                2y=10
               y=10:2
               y=5
x - y+z=6
x - 5 + 2=6
x -3 =6
x=6+3
x=9
7 0
3 years ago
Which numbers are included in the set of integers that when added to
brilliants [131]
Wouldnt it be all of them?
7 0
3 years ago
Read 2 more answers
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