A card i picked at random from a deck of 52 card. Find the probability that the card i either a queen or a diamond

Answers

Answer 1

the probability that the card is either a queen or a diamond is: 4/13

What is probability?

A probability is a number that expresses the possibility or likelihood that a specific event will take place. Probabilities can be stated as proportions with a range of 0 to 1, or as percentages with a range of 0% to 100%.

the proportion between the total number of conceivable outcomes and the number of outcomes in a comprehensive collection of equally probable alternatives that result in a particular occurrence.

Example: When flipping a coin, there are only two possible outcomes: either it will land on its head or on its tail.

Number of cards, n(S) = 52

Let E = Event of getting a diamond

F = Event of getting a queen

(E ∩ F) = Event of getting a diamond of queen.

Then, n(E) = 13

n(F) = 4 ,

n (E ∩ F)=1

P(E) = 13/52 = 1/4

P (F) = 4/52 = 1/13

P (E ∩ F) = 1/52

(E or F) = P(E ∪ F) = P(E) + P(F) × P(E ∩ F)

P (E or F) = 1/4 + 1/13 - 1/52

P (E or F) = (13 + 4 - 1)/52

P (E or F) = 16/52

P (E or F) = 4/13

The required probability of getting either diamond or a queen is 4/13

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Related Questions

Pls help and round to the nearest 0.01

Answers

Answer:

Step-by-step explanation:

SA for a sphere = 4pi(radius)^2

V for a sphere = 4/3pi(radius)^3

A golf ball is a sphere and its radiusm is 1.68/2 = 0.84 in.

So SA = 4pi(0.84)^2 = 8.87 in^2

V = 4/3pi(0.84)^3 = 2.48 in^3

Is Y 0 a horizontal line?

Answers

As per the following graph, if y = 0,then it makes the horizontal line on graph.

The term graph in math is defined as the visual representation of data or equation.

Here we have given that the value of y = 0.

Here we know that the slope of a horizontal line is zero while the slope of a vertical line is undefined.

Here the following Slopes represent a line's ratio of vertical change to horizontal change.

Whereas horizontal and vertical lines remain constant and never increase or decrease, they're merely straight lines.

Here we have also know that the Horizontal lines have no steepness at all.

Therefore if y=0 is the linear equation to denote the x - axis, then all the points on the x- axis, have their y co-ordinate as 0.

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What are 2 examples of a solution?

Answers

The two examples of the solution are sugar water, and soda water.

The term solution is defined as a homogeneous mixture of two or more components in which the particle size is smaller than 1 nm.

Here according to the definition of solution, here we know that Common examples of solutions are sugar in water and salt in water solutions, soda water, etc.

As we all know that the solutions have two components, one is solvent and the other is solute.

Here the components, that is the component that dissolves the other component is called the solvent where as the component(s) that is/are dissolved in the solvent is/are called solute(s).

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Write the expression. Then, check all that apply.

six times the sum of nine and a number

A 2-column table with 5 rows. Column 1 is labeled Key Words with entries six, times, the sum of, nine, a number. Column 2 is labeled Replace with entries 6, times, (+), 9, n.

Replace “a number” with the variable, n.
The two operations are multiplication and addition.
The two operations are multiplication and subtraction.
The constants are 6 and 9.
The expression is written as 6n + 9.
The expression is written as 6(9 + n).

Answers

Answer:

A , B , D , F

Step-by-step explanation:

Answer:

a. Replace "a number" with the variable, n.

b. The two operations are multiplication and addition.

d. The constants are 6 and 9.

f. The expression is written as 6(9 + n).

Step-by-step explanation:

Solve the Linear system by using substitution.

y= -3x -1
4x+3y=2

Answers

The solution for the given system of equations is (-1, 2).

What is a linear system of equations?

A system of linear equations consists of two or more equations made up of two or more variables such that all equations in the system are considered simultaneously. The solution to a system of linear equations in two variables is any ordered pair that satisfies each equation independently.

The given system of linear equations are y=-3x-1 ------(I) and 4x+3y=2 ------(II).

Substitute y=-3x-1 in equation (II), we get

4x+3(-3x-1)=2

4x-9x-3=2

-5x=5

x=-1

Substitute x=-1 in equation (I), we get

y=-3(-1)-1

y=2

Therefore, the solution for the given system of equations is (-1, 2).

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Plsssss help me in the photo

Answers

0.01 is not the way of expressing the relationship because it does not represent the correct ratio between 10 square and 100 square

What is ratio ?

A ratio tells the relationship between two or more quantities by comparing their relative sizes.It is typically written as two or more numbers separated by a colon (:), such as 2:4, or expressed as a fraction, such as 2/4. The numbers in a ratio represent the relative amounts of the quantities being compared. A ratio can be used to compare any type of quantity, such as length, weight, or time.

A) 10 square is 1/10th of the area of 100 square. It can be represented as a fraction, where the numerator is the area of the smaller square (10) and the denominator is the area of the larger square (100). The fraction would be 1/10.

B) Another way of expressing the relationship is as a percentage, where the smaller area (10) is divided by the larger area (100), and the result is multiplied by 100 to get the percentage. So 10 square is 10% of 100 square.

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Which is the algebraic sentence for "a number decreased by 6 is 12"?

x - 6 = 12

x + 6 = 12

6x = 12

x6 = 12

Answers

Answer:

x - 6 = 12 is the answer

im 100% sure

Answer:

x-6=12

Step-by-step explanation:

X=12+6

X=18

substitute for X in the equation

18-6=12

Diagonalize the following matrix. The real eigenvalues are given to the right of the matrix. -2 1 1 - 4 3 4 ; 2 = -1,4 -2 2 1 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. For P=___ D= 0 4 0 0 0 4 -1 0 0 O B. For Pa = ___ D = 0 -1 0 0 04 OC. O The matrix cannot be diagonalized.

Answers

The correct answer is option A. For P= -1/2 0 1/2 1/2 0 -1/2 0 0 1 D= 0 4 0 0 0 4 -1 0 0. The matrix can be diagonalized using the eigenvectors.

To diagonalize the matrix, the eigenvectors must be found first. The eigenvectors can be found by solving the characteristic equation and finding the eigenvalues. The eigenvalues of the matrix are 2 and -1. The eigenvectors associated with each eigenvalue are determined by solving the eigenvalue equation.

The eigenvectors for the matrix are [1, -2], [1, 2], [1, 0], and [0, 1]. After the eigenvectors are found, the matrix can be diagonalized by constructing the transformation matrix P. The transformation matrix P is composed of the normalized eigenvectors. The transformation matrix P is: P=[-1/2, 0, 1/2, 1/2, 0, -1/2, 0, 0, 1], and the diagonal matrix D is composed of the eigenvalues.

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PLS HELP I WILL GIVE BRAINLIEST TO THE BEST CORRECT ANSWER

Answers

Answer:

Step-by-step explanation:80085

Answer:

Graph 1: No

Graph 2: No

Graph 3: No

Graph 4: Yes

Graph 5: No

Graph 6: Yes

Step-by-step explanation: To figure out whether a graph is a function, you need to give each graph a Vertical Line Test. All you need to do is see if more than one point is on the same line whenever a vertical line is placed. If there is more than one point on any vertical line that you drew, it's not a function.

Hope this helps! :)

9y -2x=1 solve for Y

Answers

You add 2x to the other side right, then it’s gone be 9y=1+2x, then you divide by nine so it will be y=1+2x/9

Answer:
y = 1/9 + 2/9x

Step-by-step explanation:

9y - 2x = 1

9y = 1 + 2x             (get rid of x)

y = 1/9 + 2/9x        (divide 9 on both sides)

HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP

Answers

Answer:

A) All positive real numbers.

Step-by-step explanation:

Money can only be real numbers/decimals

And because your adding it can't be negative.

Answer:

D

Step-by-step explanation:

This is a real world situation, meaning that there will be no negative amount if weeks, This rules out B and C. As all the numbers are whole, there is no reason for the answer to be all positive real numbers making the answer D.

sutton is listing the prime factorazation for 220 what is the last factor she needs 2 square root of 5

Answers

Answer:

4.472135955

Step-by-step explanation:

Can anyone help with the answer

Answers

The height of the tree to the nearest hundredth of metres is 2.03 metres.

How to find the height of a tree?

Emily is 1.65 metres tall. At 3 pm she measure the length of a tree's shadow to be 28.15 metres . She stands 22.9 metres away from the tree, so that the tip of her shadow meet the tip of the tree shadow.

Therefore, the height of the tree to the nearest hundredth of metres can be calculated as follows:

using proportion,

let

x = height of the tree

Therefore,

1.65 / 22.9 = x / 28.15

cross multiply

28.15 × 1.65 = 22.9 × x

22.9x = 46.4475

divide both sides by 22.9

x = 46.4475 / 22.9

x = 2.02827510917

x = 2.03 metres

Therefore,

height of tree = 2.03 metres

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4. Which of these is NOT involved in proving the converse of the Pythagorean theorem?
Ocollecting like terms and applying the distributive property
substitution and construction
congruent triangles
substitution and contradiction

Answers

The option that is not involved in proving the converse of the Pythagorean theorem is D. substitution and contradiction

What is a Pythagoras theorem

A right triangle's three sides are related in Euclidean geometry by the Pythagorean theorem, also known as Pythagoras' theorem. According to this statement, the areas of the squares on the other two sides add up to the area of the square whose side is the hypotenuse.

The converse of Pythagoras' Theorem states that a triangle must have a right angle if the square of one side equals the sum of the squares of the other two sides.

In this case, contradiction isn't involved. The correct option is D.

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HELP ASAP!!! PICTURE TO LOOK OFF OF

Approximate the correlation of the data shown below

Answers

It think the answer is A because it can’t be B and it can’t be C and it can’t be D so my answer is A

Is 4 ÷ 1 positive or negative?


Answers

Answer: positive

Step-by-step explanation:

4/1=4

Answer:

Positive!

Step-by-step explanation:

4 ÷ 1 = 4 hope that helps!

What is the x-coordinate of the solution to the system of
linear equations?
x = 3y - 8
2x + 26 = y

Answers

Answer: look at the picture

Step-by-step explanation: Hope this help :D

2. A square playground has a side which measures 40 metres. What is its area?​

Answers

The area of a square playground which has a side measures 40metres would be 100[tex]m^2[/tex].

How to calculate area?

step1

Perimeter of square = 40m

We have given that perimeter of square is 40m. To find its area, we have to calculate its side first.

Perimeter of square = 4× side

Substituting values in formula

Area of square = 4 × side

=> 40 = 4 × side

=> side = 40÷4

=> side = 10m

Side of square is 10m.

step 2

Calculating area of square :

We found that side of square is 10m. To find it area, required formula is:

Area of square = (side)²

To find area, substitute values in formula :-

Substituting values in formula :-

Area of square = (side)²

=> Area of square = (10)²

=> Area of square = 10 × 10

=> Area of square = 100m

so if the perimeter of square is 40m then the area is 100m.

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25 POINTS AND BRAINIEST BADGE
NO LINKS
NO PICTURE FOR QUESTION

A parallelogram has vertices at (-5, -1), (-2, -1), (-3, -4), and (-6, -4). What is the approximate perimeter of the parallelogram? Round your answers to the nearest hundredth.
A. 9.16
B. 12 units
C. 12.32 units
D. 14

Answers

Answer:

12.32 units

Step-by-step explanation:

Use the distance formula to find the lengths between two points:

[tex]d=\sqrt{(x_{2} -x_{1})^2+(y_{2}-y_{1})^2 }[/tex]

the distance between (-2, -1) and (-5,-1) is

[tex]\sqrt{(-2-(-5))^2+(-1-(-1))^2}[/tex]

=[tex]\sqrt{3^2+0^2}[/tex]

=[tex]\sqrt{9}[/tex]

=3

the distance between (-2, -1) and (-3, -4) is

[tex]\sqrt{(-2-(-3))^2+(-1-(-4))^2}[/tex]

=[tex]\sqrt{1^2+3^2}[/tex]

=[tex]\sqrt{10}[/tex]

≈3.16

the distance between (-6, -4) and (-3, -4) is

[tex]\sqrt{(-6-(-3))^2+(-4-(-4))^2}[/tex]

=[tex]\sqrt{(-3)^2+0^2}[/tex]

=[tex]\sqrt{9}[/tex]

=3

the distance between (-6, -4) and (-5, -1) is

[tex]\sqrt{(-6-(-5))^2+(-4-(-1)^2}[/tex]

=[tex]\sqrt{(-1)^2+3^2}[/tex]

=[tex]\sqrt{10}[/tex]

≈3.16

Now, add all the sides:

3+3.16+3+3.16=12.32 units

Note: A property of a parallelogram is that it has two pairs of congruent sides, so for this problem, you could solve for 2 different sides, double them, then add and you will get the same thing.

It is A because it can’t be B and it can’t be C and it can’t be D so my answer is A


28. Anael cut several boards to build a deck.
The boards must be 100 in. ± 0.25 in. Her
measurements of the boards after cutting
them are shown in the graph. Which boards,
if any, can she not use?

Answers

Anael can not use the fourth board measurement. This can be solved by using the concept of inch scale.

What is inch scale?

A centimeter is smaller than an inch. On the other side of the centimeter ruler, inches are denoted by the large, continuous hash marks that are inscribed above the digits. On a ruler, the inch is the largest unit and is denoted by the longest line. There is a number next to each 1-inch line on the ruler that designates.

Since the international yard was adopted in the 1950's and 1960's, standards for the precise length of an inch have fluctuated, but the inch is now based on the metric system and is defined as precisely 25.4 mm.

The question given here,

the first board measurement: [tex]99\frac{3}{4} =[/tex] 99 inch ± 0.75 inch

the second board measurement: [tex]99\frac{7}{8} =[/tex] 99 inch ± 0.875 inch

the third board measurement: [tex]100\frac{1}{6} =[/tex] 100 inch ± 0.16 inch

the fourth board measurement: [tex]100\frac{5}{16} =[/tex] 100 inch ± 0.3125 inch

the fifth board measurement: [tex]99\frac{13}{16} =[/tex] 99 inch ± 0.8125 inch

Thus, Anael can not use the fourth board measurement.

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10 Two cyclists are traveling along a track in the same direction. Their motions are described
by the linear equations d = 10t and d-8t= 2, where t hours is the time and d miles is the
distance from a point on the track.

b When will the cyclists meet?

Answers

Answer:

They will meet in 1 hour

Step-by-step explanation:

(1)  d = 10t

(2)  d - 8t = 2   rearrange this equation to:  d = 8t + 2

Set equation (1) equal to equation (2):

10t = 8t + 2

Solve for t:

10t - 8t = 2

2t = 2

t = 2/2 = 1 hr

Please help!!! in need of help, will mark brainliest!

Answers

Answer:

minimum value : -1

Step-by-step explanation:

y= 2x^2- |0x+1|

y=2x^2-1

0x has no value they're just putting that in there to trip you up. Also you can view the graph on Desmos graphing calc online to see the minimum value of this function.

x is positive so parabola opens up: meaning minimum value

y-intercept is (0, - 1) so minimum value = -1

What is the diameter of a circle with circumference 17.1cm? Give your answer to three significant figures.

Answers

Answer:

34.2

Step-by-step explanation:

Maurice finished 12/25 of his book. He says he is more than halfway done with his book. Is he correct or incorrect? Explain.

Answers

Answer:

He is incorrect. If you want 12 to be half of the book the other number would have to be twenty four.

Answer:

incorrect

Step-by-step explanation:

it has to be 12.5 to be exactly half way done with it

solve for x when c-b=1

Answers

Whats supposed to be X?

Answer:

you need to give the question

Step-by-step explanation:

there is no question

quadratic expression x² +6x +5​

Answers

Answer:

if its for factor, we have (x+1)(x+5), if its for formula, its x=-1, -5

Step-by-step explanation:

(X+1) (x+5) x= -1 , -5

Simplify: [tex]\frac{-28cd^3}{-21bd^2}[/tex]

Answers

The answer is 4cd/3b

hope it's correct

Please answer the 4th and 6th one

Answers

Answer:

5

Step-by-step explanation:

0-6x will be -6x if we divide that six then we will get -30/-6 since minus gets cancelled we will be left with 5

What is the inverse of 7 5?

Answers

The multiplicative inverse of 7/5 is 5/7 using the formula of multiplicative inverse like (x)^-1 which equals to 1/x.

let's try to learn what is multiplicative inverse.

1/N or [tex]N^-1[/tex] is used to denote a number's multiplicative inverse, such as the number N. From the Latin word "reciprocus," it is also known as reciprocal. Inverse refers to something that is the opposite. The acquired reciprocal of a number is such that its value equals identity 1 when multiplied by the original number. In other terms, it is a technique for producing identity 1 by diluting a number by itself, as in N/N = 1.

One is obtained when a number is multiplied by its own multiplicative inverse.

When a number is multiplied by its original number, the multiplicative inverse of that number, or x^-1, produces a value equal to 1. The multiplicative inverse of 2, for instance, is 2^-1 since it fulfils the formula: 2 x (2^-1) = 2 x (1/2) = 1.It is also known as a number's reciprocal.

Multiplicative inverse of 7/5 is (7/5)^-1 = 1/(7/5) = 5/7.

Given question is incomplete complete question here:

What is the multiplicative inverse of 7/5?

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Which of the systems of linear equations are equivalent?

Answers

Answer:

The first two

Step-by-step explanation:

The first two

The bottom equation of the second set is the

bottom equation of the first set multipied by -2

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Harry has a vacation home and is considering renting it to others when he is not using it. Mixed-use rentals sound like his best option. Which of the following statements regarding mixed use rentals is NOT correct ?A) There is no possibility of a $25,000 ordinary loss against income.B) The rental income and expenses are reported on Schedule E of the Form 1040.C) If the vacation home is rented for at least 15 days a year, and it is also used for personal use more than the greater of 14 days per year or 10% of the rental days, rental expenses are not deductible.D) The mortgage interest and property taxes allocable to the personal use of the vacation home are deductible on Schedule A of Form 1040 as itemized deductions. What type of information should you leave out of a summary of an informational article? A. secondary details B. details that support the main idea C. key points D. a statement of the main idea hhhhhiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii Gcf of -28, 60, and 72 Bears stop coming to a river ecosystem where they have been eating many fish each day. The fish the bears eatnormally eat smaller fish, which eat plants along the river bottomWhat happens to the ecosystem?The larger fish population will drop first and the smaller fish population will grow quickly. The plants willdie off because too many of the smaller fish are eating themThe smaller fish population begins to eat more plants and to grow. The larger fish have more food toeat so their population is able to grow, too.The larger fish population explodes at first, and the smaller fish population begins to drop. Eventuallythe river runs out of smaller fish so larger fish die out, and the plant population grows.Both the larger and the smaller fish populations grow quickly but then die out because the plant life isinsufficient for them all to eat Elle aime faire du yoga avec ses amis. in english If r is an odd integer and m=8r then m/2 will always bea. oddb. evenc. positive d. negative two copies of one tenth plllllllsss help it's easy What is 3 8 equivalent to as a fraction? HELP ME!!! IT IS THE LAST DAY AND I HAVE A D!!!!!"...the urgent question of our time is whether we can make change our friend and not our enemy when most people are working harder for less; when others cannot work at all; when the cost of health care devastates families and threatens to bankrupt our enterprises, great and small; when the fear of crime robs law-abiding citizens of their freedom; and when millions of poor children cannot even imagine the lives we are calling them to lead, we have not made change our friend."--Bill Clinton inaugural address, January 20, 1993Use the quote to answer the question.Based on the excerpt, what was Bill Clintons opinion of the state of affairs in the United States when he was elected president in 1992? A. Clinton thought that healthcare reform and other changes were necessary in the United States. B. Clinton thought that poverty was less of a problem than the standard of living in the middle class. C. Clinton thought that the people of the United States should prepare for hard times and mutual sacrifice. D. Clinton thought that the United States would continue its years of prosperity and economic well-being. The joint and marginal pdf's of x = amount of almonds and Y = amount of cashews areF(x,y) = fx(x) =with fy(y) obtained by replacing x by y in fx(x). It is easily verified that Mu x = Mu y = A, and E(XY) = 2/ 5 Compute the correlation coefficient p for X and Y. P= Before the 1970s, what EMS service was provided to the nation?O one medical person to ride along in an ambulancean ambulance driver who knew first aidO only ambulance service with a stretcherO a team of at least two EMTS-most of who have the training 2-weeks requirement Help please its 9:00 and I have a really big test tomorrow so I need to get hw done really quick Also dont mind anything I wrote PLSSSSSSSSSS HELP ME ASAP A bottle holds 2 pints. A cartoon holds 3 cups. What is the total the two containers hold in fluid ounces. You work at an oil refinery and are in charge of draining a tank until theare 635 gallons left inside. The tank starts with 859 gallons, and you can drain it at a rate of 56 gallons per minute. How many minutes do youneed to drain the tank to the right level?You need minutes. How are logarithms used to measure earthquakes? can someone pls help me on this one What is the solution to the system of equations on the graph below? - I WILL MARK BRAINLIEST