For Spirit Day, each 8th-grade homeroom designs a unique twocolor T-shirt. They get to choose from the colors red (R), blue (B), green (G), violet (V), and orange (O). Each T-shirt is a solid color with a different color used for the student's name. What is the probability that a homeroom will have a T-shirt with a combination of blue and violet?

Answers

Answer 1

Answer:

P(B and V)=10%

Step-by-step explanation:To solve this poroblema we use the formula of combinations:

C(n,r)=(nr)=n!(r!(n−r)!)

Where n is the number of objects that can be chosen and you choose r from them.

There are 5 colors of shirts.

The number of shirts that can be made by combining 2 of the 5 possible colors is calculated as:

5C2= [tex]\frac{5!}{2!(5-2)!}[/tex]

5C2=10

The number of shirts that can be made by combining 2 of the 2 possible colors (B) and (V) is calculated as:

2C2=1

Then the probability is:

P( B and V)= [tex]\frac{1}{10}[/tex]

=0.1= 10%

[tex]\frac{2C2}{5C2}[/tex]

Answer 2

Answer:

P( B and V)=10%

Step-by-step explanation:


Related Questions

Evaluate the following expression: (show work)

3x^2 – 4^3 – 4^3 – z

If x =3, y =–2 and z=-5

Answers

3(3)^2 - 4^3 - 4^3 - (-5)
3(9) - 64 - 64 + 5
27 - 64 - 64 + 5
-96

Graph the line with slope 1/4 and y intercept -2

Answers

Answer:

y= 1/4x -2

Step-by-step explanation:

Y=mx+b

m is the slope

b is the y intercept

The equation of line is y= 1/4x -2 .

What is slope?

A line's slope is determined by how its y coordinate changes in relation to how its x coordinate changes. y and x are the net changes in the y and x coordinates, respectively. Therefore, it is possible to write the

change in y coordinate with respect to the change in x coordinate as,

m = Δy/Δx

where, m is the slope

Given:

slope = 1/4 and y intercept = -2

Using slope- intercept form

y= mx + b

y= 1/4x + (-2)

y= 1/4x -2

Learn more about slope here:

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What is the equation in slope-intercept form of the line that passes through the points (−4, 2) and (12, 6)?

Answers

Answer:

y = 1x/4 +3

Step-by-step explanation:

M=1/4

Explanation: u just take the two points and plug them in the to the formula y2-y1/ x2-x1

Devin has a furniture store. He sold a shoe rack recently for 3450. It cost him just to make the rack What is Devin's profit percent ?

Answers

You forgot to put how much it cost to make the rack, message me how much it was and I’ll get back to you

what is the y - intercept

Answers

Answer:

The y- intercept is 1

Step-by-step explanation:

Since the line crosses the y-axis at 1, the y-intercept is 1. Like the x-intercept. The line crosses the x-axis at um.. I would say about -1.5, so the x-intercept is -1.5.

Hope this helps you!!!

True or False: X=3 is the solution to 2x+10/5=4.

1. True
2. False

Answers

Answer:

Step-by-step explanation:

False

2x + 10/5 = 4

If the *divided by 5* is for the whole expression
2x + 10 = 20
2x = 20 - 10
2x = 10
x = 10/2 = 5 [false]

If *divided by 5* is only for 10
2x + (10/5) = 4
2x + 2 = 4
2x = 4-2
x = 2/2
x = 1 [false]

Answer will be false in both cases but i gave the solution to make you understand.
Hope it helps.

Is the work shown below correct? Explain your
answer.
(11 + 21 ) - (3 - 107)
= 11 + 21 - 3 - 10/
= (11 - 3) + (21 - 107)

Answers

Answer:

no

Step-by-step explanation:

u just moved the numbers around

Answer:

no

Step-by-step explanation

The work shown is not correct.

The subtraction sign did not get distributed to the –10i.

The sign on –10i should have changed.

The imaginary part should be 12i.

what is 1 1/2 times 1 1/8

Answers

Anwser

In fraction form it is 27/16 but in decimal form it is 1.68

I am in 8th grade algebra so I already learned this!!

Answer:

1.68

Step-by-step explanation:

other person is correct

scientific notation the question is 4x10 to the power of negative 9

Answers

Answer: -15

Step-by-step explanation:

I think that's right

hep please!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Hm, D would equal either 5 or 6.

Answer: d=3

Step-by-step explanation:because if u plug it in that will be grater

For khan academy. Need answer immediately. Explain if you can

Answers

Answer:

The answer is B

Please help, I’ll give thanks and brainliest.

Answers

Answer:

Upper answer is right......

Can someone please help me with this one please

Answers

Answer:

Step-by-step explanation:

the answer is 3

PLEASE HELP!!!! GIVING BRAINLIEST!!!

Identify the missing input value.

Answers

Answer:

The answers are 34 on the in side and 57 on the out side

Step-by-step explanation:

This is because if you subtract 4 from 9, you will get 5. when you subtract 4 from 19, you will get 15.

I hope this helps

Answer:

In: 33 Out: 29

In: 62 Out: 58

Step-by-step explanation:

Lets find the rate of change first;

[tex]\frac{y^{2}-y^{1} }{x^{2}-x^{1} }=\frac{15-5}{19-9}=\frac{10}{10}=1[/tex]


Brianna jogs 15 minutes more on Sunday than Saturday. She jogged 26 minutes on Saturday.
a.
How many minutes does she jog on Sunday?

Answers

Answer:

41

Step-by-step explanation:

15+26=41

Answer:

41 minutes

Step-by-step explanation:

If she jogged 15 minutes more on Sunday than Saturday, we can find how many minutes she jogged on Sunday by adding 15 to Saturday's amount:

So, add 15 to 26:

15 + 26

= 41

So, she jogged 41 minutes on Sunday.

What is the slope of the line parallel to 7x + 4y = -16?

Answers

Answer:

The slope of the line that is parallel to the given line is [tex]\frac{-7}{4}[/tex]

Step-by-step explanation:

Parallel lines have the same slopes and different y-intercepts

The slope of the line who has an equation ax + by = c is m = [tex]\frac{-a}{b}[/tex]

Let us use these rules to solve the question

∵ The equation of a given line is 7x + 4y = -16

→ Compare it with the form of the equation above

∴ a = 7 and b = 4

∵ The slope of the line = [tex]\frac{-a}{b}[/tex]

∴ The slope of the line = [tex]\frac{-7}{4}[/tex]

∵ Parallel lines have the same slope

The slope of the line that is parallel to the given line is [tex]\frac{-7}{4}[/tex]

Answer to this??????

Answers

Answer:

16 × 10^11= 1.6e+12

8 × 10^5= 800000

Step-by-step explanation:

Answer:
The top one is 1.6x1^12
The bottom one is 800000
Hopefully i helped


Divide. Round your answer to the nearest whole number.
91,543 = 5 =​

Answers

Answer:

i assume you mean divide so its 18308

Step-by-step explanation:

what is the slope of y = -x + 7

Answers

The slope of this equation would be m = -1

Answer:

slope m = - 1

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = - x + 7 ← is in slope- intercept form

with slope m = - 1

In 2018, Gretal earned $32 000.
(i) She paid tax of 24% on these earnings.
Work out the amount she paid in tax in 2018

Answers

24% of 32k is equal to 7,680.

So she paid of $7,680 in taxes.

Gretal paid $7680 on tax in 2018.

What is a percentage?

"A percentage is a ratio of a number to 100. The symbol % is used to indicate a percentage."

Given

Earning = 32000

Tax paid = 24%

Amount paid on tax = [tex]32000[/tex] × [tex]\frac{24}{100}[/tex]

= $7680

Hence, she paid $7680 on tax.

Learn more about percentage here

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What is the answer to this question?

Answers

Answer:

≈ 3.9 miles

Step-by-step explanation:

The third angle in the triangle is

180° - (53 + 78)° = 180° - 131° = 49°

Using the Sine rule in the triangle with distance from 2 being x, then

[tex]\frac{3}{sin49}[/tex] = [tex]\frac{x}{sin78}[/tex] ( cross- multiply )

x × sin49° = 3 × sin78° ( divide both sides by sin49° )

x = [tex]\frac{3sin78}{sin49}[/tex] ≈ 3.9 ( to the nearest tenth )

Match the following equations to their solutions. (Answers should be ordered pairs like this (x,y)

2x - y = 14

y = -2x - 1/2

7 + 5x = y + 7

3x + 2y = 36

6 - x = 4y

9x = 2y

Answers

Answer:

1. (8,2)

2. (-0.25,0)

3. (1,5)

4. (10,3)

5. (6,0)

6. (2,9)

she remaining amount Lily has yet to pay Megan is $. Lily owed Megan $129.42. So far, she has paid Megan $32.56.?????

Answers

Answer:

129.42 - 32.56 = 96.86$

ASAP
Can someone help me with this pleaseeee

Answers

It’s option D.) I did a quiz on this !

what is the measure of the line segment AB if D is between A and B, AD = 7, and DB = 12?

Answers

Answer:

Given AD = 7 and DB = 12, to find AB you need to add them

AB = 12+7

AB = 19

The measure of the line segment AB is 19 units.

What are the coordinates of midpoint of the line segment AB?

Suppose we've two endpoints of a line segment as:

A(p,q), and B(m,n)

Then let the midpoint be M(x,y) on that line segment. Then, its coordinates are:

[tex]x = \dfrac{p+m}{2}andy = \dfrac{q+n}{2}[/tex]

We are given that;

AD = 7, and DB = 12

Now,

To find the measure of the line segment AB, we need to use the segment addition postulate. The segment addition postulate states that if a point is between two other points on a line segment, then the sum of the lengths of the two smaller segments is equal to the length of the larger segment.

In this problem, D is between A and B, so we can apply the segment addition postulate and write:

AD + DB = AB

Substituting the given values of AD and DB, we get:

7 + 12 = AB

Simplifying, we get:

19 = AB

Therefore, by the given point the answer will be 19 units.

Learn more about mid point here;

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simplify x X x^5 divided by x^2 X x

Answers

Answer:

[tex]\huge\boxed{(x\cdot x^5):(x^2\cdot x)=x^3}[/tex]

Step-by-step explanation:

[tex](x\cdot x^5):(x^2\cdot x)\qquad|\text{use}\ a^n\cdot a^m=a^{n+m}\\\\=x^{1+5}:x^{2+1}=x^6:x^3\qquad|\text{use}\ a^n:a^m=a^{n-m}\\\\=x^{6-3}=x^3[/tex]

Answer:

X × X^5 ÷ X^2 ×X

X^3

because the same variable can be cancelled.

will mark brainliest

Write an expression for the perimeter of the triangle shown below:


A triangle is shown with side lengths labeled 2.3x plus 14, 2x, and negative 0.2x plus 15.


4.1x + 29

4.1x − 29

4.5x + 29

4.5x − 29

Answers

4.1x + 29 is the correct answer
Answer:The perimeter is just the sum of all the side lengths.So let's get to work and add it up: (2.3x + 14) + (2x) + (-0.2x + 15)Add up all the x's:  (2.3x + 2x - 0.2x) =  4.1xAdd up all the ordinary numbers:  (14 + 15) = 29So the perimeter is simply    4.1x + 29.

please help asap, will mark brainliest :))

Answers

Answer:

26

Step-by-step explanation:

Square the sides you know (A and B) Since you are finding side C the hypotenuse go by these steps:

Square the given sides.Add the sides togetherFind the square root of the sum.

The square root of the sum is the side length of the hypotenuse.

[tex]10^{2} = 100\\24^{2} = 576[/tex]

100 + 576 = 676

[tex]\sqrt{676} = 26[/tex]

caculate the average speed from points D to point E

Answers

Answer:

20 seconds

Step-by-step explanation:

30 is where the E point is at while 10 is where D-point at.subtract these 2 and youll get 20

PLEASE HELP ILL GIVE BRAINLIEST. Which graph displays a rate of change of 2.5?
fy
Ay
4
2
2
x
X
2
4
2
-2
4
2.
-4
-4
4
-2.
2
2
2
-4

Answers

Step-by-step explanation:

i can't see the graph but I have done it before it is middle one

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