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2 years ago

A card is drawn from an ordinary deck of cards. What is the probability that the card is a king given that the card is red?

Mathematics

2 answers:

Bad White [126]2 years ago

4 0

Half the cards (26) are red

Then there are 2 red kings out of the 26.

Probability of picking a red king out of the red cards is 2/26 = 1/13 = 0.076

Round to 0.08

The answer is D.

shutvik [7]2 years ago

3 0

Answer:

d. 0.08

Step-by-step explanation:

52 cards in a deck of cards. 26 are red. there are 2 red kings. 2/26= 0.076 which rounds up to 0.08

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Bumek [7]

Answer:

Segment AC = 10 units

segment AD =

angle 1 = 45°

angle 2 = 90°

AE = BE = CE = DE = 5

SEGMENT AC = AE + CE

= 5 + 5

= 10 UNITS

SEGMENT AD = 5² + 5²

= √50

= 7.071

= 7 UNITS

ANGLE 1 = 90° ÷ 2

= 45°

ANGLE 2 = 360° ÷ 4 / 180° ÷ 2

= 90°

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2 years ago

In ALMO, Point C is the intersection of the blue and green segments.

vesna_86 [32]

Answer: did you find an answer? I also really need to know

Step-by-step explanation:

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3 years ago

Complete the point-slope equation of the line through (1,3) (5,1) y-3=?

MaRussiya [10]

Answer:

$\huge\boxed{y-3=-\frac{1}{2}(x-1)}$

Step-by-step explanation:

Point-slope is:

$y-y_1=m(x-x_1)$

$m-\text{This represents the slope.}\\\\(x_1,y_1)-\text{This represents the point used in the equation.}$

We have to complete the point-slope equation of the line through (1,3) (5,1).

--------------------------------------------------------

We have a incomplete equation of the line.

$y-3=m(x-x_1)$

We need to find the <u>slope</u> of the line, and the <u>value</u> of $x_1$ .

--------------------------------------------------------

<h3>Finding 'x1':</h3>

It seems that the value of 3 was used to be $y_1$ . This means that the point $(1,3)$ was used for the equation. This means that $x_1$ would have to be 1.

<h3>Finding Slope:</h3>

Slope is rise over run.

$m=\frac{rise}{run}=\frac{y_2-y_1}{x_2-x_1}$

We are given the points (1,3) and (5,1).

$m=\frac{1-3}{5-1}=\frac{-2}{4}=\frac{-1}{2}=\boxed{-\frac{1}{2}}$

The slope is one-half.

--------------------------------------------------------

We now have enough information to complete the point-slope equation.

${\left \{ {{x_1=1} \atop {m=-\frac{1}{2} }} \right.}\\\\y-3=m(x-x_1)\rightarrow\boxed{y-3=-\frac{1}{2}(x-1)}$

Our final equation is:

$y-3=-\frac{1}{2}(x-1)$

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3 years ago

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olga55 [171]

Answer:

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Step-by-step explanation:

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A card is drawn from an ordinary deck of cards. What is the probability that the card is a king given that the card is red?￼

A card is drawn from an ordinary deck of cards. What is the probability that the card is a king given that the card is red?