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Bas_tet [7]
3 years ago
9

A card is chosen at random from a standard deck of 52 playing cards. What is the probability that the card chosen is a queen?

Mathematics
2 answers:
alex41 [277]3 years ago
6 0
The answer would be B because there are 4 queens in a deck of cards. with there being 52 cards in a deck, you divide 4 by 52. If you put that into a fraction it’s 4/52. simplified, its 1/13. therefore, there’s a 1/13 chance on getting a queen
Morgarella [4.7K]3 years ago
5 0

Answer:

B) 1/13

Step-by-step explanation:

This is because as we all know there are four different category of cards - spades, clover, heart and diamond.

In each of these category we have 1 Queen so in total we have 4 Queens

Probability of choosing Queen = 4/52

= 1/13

(This is your answer hope it helps :))

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I need help pls help
Sauron [17]

Answer:

I could be wrong, but I think it's D

8 0
3 years ago
To factor the quadratic expression x^2−8x−10 by completing the square, what value would be added? A. 64 B. 8 C. 16 D.-16
Elan Coil [88]

Answer:

C

Step-by-step explanation:

When completing the square, we essentially want to create a perfect square trinomial by adding a constant.

If we have the following expression:

x^2+bx

And we want to complete the square, we will need to divide the b-coefficient by half and then square it.

Thus, the added term should be:

(b/2)^2

In the given equation, we have:

(x^2-8x)-10

The b term here is 8. Therefore:

(8/2)^2\\=(4)^2\\=16

The value we would add would be 16.

The answer is C.

Further notes:

To complete the square, add 16 like mentioned earlier. However, we also need to subtract 16 to balance things out:

(x^2-8x)-10\\=(x^2-8x+16)-10-16\\

The expression inside the parentheses is now a perfect square trinomial. Factor it:

=((x)^2-2(4)(x)+(4)^2)-26\\=(x-4)^2-26

And we are done!

4 0
3 years ago
Read 2 more answers
The perimeter of a rectangular pool is 326 M if the length of the pool is 87 M what is its width​
sveta [45]

Half the perimeter is equal to the length plus the width.

326 /2 = 163

Length + width = 163

87 + width = 163

Width = 163 - 87

Width = 76 meters

4 0
3 years ago
B-13=7 как решить этот уровнения​
beks73 [17]

Answer:

b equals 20

Step-by-step explanation:

b - 13 = 7

7 + 13 = b

7 + 13 = 20

7 0
3 years ago
Please help fast! 25 points and brainliest!!
Firlakuza [10]

Answer:

The answer is

<h2>9x³ - 11x² - 7x</h2>

Step-by-step explanation:

f(x) = 36x^5 − 44x⁴ − 28x³

g(x) = 4x²

To find f(x) / g(x) Divide each term of f(x) by g(x)

That's

\frac{f(x)}{g(x)}  =  \frac{ {36x}^{5} -  {44x}^{4}  -  {28x}^{3}  }{ {4x}^{2} }  \\  \\  =  \frac{ {36x}^{5} }{ {4x}^{2} }  -  \frac{ {44x}^{4} }{ {4x}^{2} }  -  \frac{ {28x}^{3} }{ {4x}^{2} }  \\  \\  =  {9x}^{3}  -  {11x}^{2}  - 7x

Hope this helps you

3 0
3 years ago
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