Sue has 20 biscuits in a tin.
There are: 12 plain biscuits
5 chocolate biscuits
3 currant biscuits
Sue takes at random two biscuits from the tin.
Work out the probability that the two biscuits were not the same type.

Answers

Answer 1

Answer:

[tex]\frac{111}{190}[/tex]

Step-by-step explanation:

Sue Has 20 Biscuits In A Tin.There Are: 12 Plain Biscuits5 Chocolate Biscuits3 Currant BiscuitsSue Takes
Answer 2

Probability is the chance of an event to occur from a total number of outcomes.

The formula for probability is given as:

Probability = Number of required events / Total number of outcomes.

The probability that the two biscuits were not the same type is 111/190.

What is probability?

It is the chance of an event to occur from a total number of outcomes.

The formula for probability is given as:

Probability = Number of required events / Total number of outcomes.

We have,

Number of total biscuits = 20

Number of plain biscuits = 12

Number of chocolate biscuits = 5

Number of current biscuits = 3

The probability that two randomly chosen biscuits were not the same type.

= [tex]^{12}C_1 \times ^5C_1[/tex] /  [tex]^{20}C_2[/tex]  +  [tex]^{12}C_1 \times ^3C_1[/tex] / [tex]^{20}C_2[/tex] + [tex]^5C_1 \times ^3C_1[/tex] / [tex]^{20}C_2[/tex]

= 12 x 5 / 190  + 12 x 3 / 190 + 5 x 3 / 190

= (60 + 36 + 15) / 190

= 111 / 190

Thus,

The probability that the two biscuits were not the same type is 111/190.

Learn more about probability here:

https://brainly.com/question/14099682

#SPJ2


Related Questions

The garden club earned $15, 15 per hour by weeding neighborhood gardens for t hours. A generous donor has agreed to double their earnings.
How much did the garden club earn in all?

Answers

Answer:

The answer should be $30.

Answer:

30 * t

Step-by-step explanation:

The garden club earned $15 per hour by weeding neighborhood gardens for t hours.

A generous donor has agreed to double their earnings.

Double their earnings means we multiply by 2

So earning 15 per hour becomes 2*15 = 30 per hour

Given the number of hours is t

Earnings = $30 times number of hours

Earnings = 30 * t

[Help Quick]. Fill in the table using this function rule

Answers

Answer:

9

15

24

33

Step-by-step explanation:

I hope this right

9, 15, 24, 33 with 9 being the top question and 33 being at the bottom(:

Can you please Solve for x

Answers

Step-by-step explanation:

7x-4+3x+14=180°

10x+10=180

10x=180-10

10x=170

x=170

10

x=17

hope it helps.

Answer: x = 17

Step-by-step explanation:

Alternate interior angles add up to 180°

3x + 14 + 7x - 4 = 180°

Combine like terms

10x + 10 = 180

Subtract 10 from both sides

10x = 170

Divide both sides by 10

x = 17

Perform the operation.

(4x² + 8) + (-8x2 – 5x + 2)

Answers

Answer: −

-4x^2-5x+10

Step-by-step explanation:

Answer: -4x^2 -5x + 10

Step-by-step explanation:  

Simplify the expression.

plzzzz help I am stuck on number 4

Answers

Answer:

lol nah <3

Step-by-step explanation:

i would try and help, but not with that trump pfp my dude

Solve the equation for all values of x by completing the square.
x^2 + 4x = 32

Answers

Answer:

x^2+4x-32=0

(mid-term breaking---4 x 8=32)

x^2+8x-4x-32=0

x(x+8)-4(x+8)

x+8=0 or x-4=0

So x=+4 or x=-8

Step-by-step explanation:

It takes 6 cups of mix to make 2 gallons of lemonade if x represents the number of cups of mix and y represents the gallons of lemonade. What is the slope of the line that represents this relationship?
A:6
B:1/3
C:3
D:1/6

Answers

The answers is B
B:1/3
C:3
Because to figure it out u have to simplify or divide it in half until you find the answer you’re looking for.
So 6cups divided by 2 gallons = 3

Carol spends 17 hours in a 2-week period practicing her culinary skills. How many hours does she practice in 5 weeks?

Answers

Answer:

42 and a half

Step-by-step explanation:

17÷2 = 8.5x5= 42.5(42 and a half)

Answer:

42.5 hours

Step-by-step explanation:

If she spent 17 hours I’m 2 weeks and she practiced for 5 weeks, do 17 x 2 and you will get 34 the extra week 17/2 which is 8.5 add those 2 up and you get 42.5 hours she spent there (does that make sense? sorry if it doesn’t)

Help pls , I don’t get it

Answers

Answer:

7.2

Step-by-step explanation:

Just divide the area by the width/height next time..

Help me please

Find the slope

Answers

Answer:

2/4 = 1/2

Step-by-step explanation:

slope = rise / run

rise = 2

run = 4

thus slope = 2/4 = 1/2

HELP ASAP I NEED THE HWLP KAHALANSLABSHSNSKSBAJAM

Answers

Answer:

3,2 im pretty because it's only asking g for the line the the whole triangle i believe

A school is selling concert tickets. The cost is $4 per adult and $2.50 per student. If the school
sells 45 adult tickets and 32 student tickets, how much will they earn in total?

$115.50

$260

$500.50

$240.50

Answers

The total is $260.00

Answer:

4 x 45=180

32 x 2.5=80

180+80=260

so $260 is the correct answer

Step-by-step explanation:

A.pex VLS Algebra 1: 6.2.4 Practice - HELP NEEDED!!!
The file below is a picture of the problem I'm stuck on... it's hard to explain. I found Coin A and Coin C, but Coin B is confusing me.
Equations to find the value:
Coin A: V=25(1.07)^t
Coin B: V=40(1.05)^t
Coin C: V=60(1.04)^t
V represents the coin's value and t represents what year it is (kind of).
Please help! Even if you can't do the problem, if you explain how to do it to find Coin B, that would be so appreciated! If you are confused about anything, I'll be happy to explain! Thank you!

Answers

Answer:

Answer:1.) I chose coin A and B

2.) Coin: B Value: $40 Annual rate: %5

Coin: A Value: $25 Annual rate: %7

3.) Coin: A P: 25 R: 1.07 Function: v = 25(1.07)^t

Coin: B P: 40 R: 1.05 Function: v = 40(1.05)^t

4.) Base: 1+r Initial: P Exponent: t

If R increased, then P would also increase because you must distribute, and you would be distributing R into P there for if R changes then so would P.

5.) Coin A: Initial value: $25 10 years: $25.70 20 Years: $26.40 30 years: $27.10 60 years: $29.20

Coin B: Initial value: $40 10 years: $40.50 20 years: $41 30 years: $41.50 60 years: $43

Coin C: Initial value: $60 10 years: $60.40 20 years: $60.80 30 years: $61.50 60 years: $62.40

6.) Coin A because the value goes up the most and I probably wouldn't be able to keep the coin for more than 60 years because I would lose it.

What is the equation

Answers

what equation? there isn’t any shown.

Help within 10min PLZZ❤️❤️

Answers

C is the answer You’re welcome

If you can type 50 words per minute, how many minutes would it take you to type a 500 word essay​

Answers

Step-by-step explanation:

50words-1 minute

500words- x minute

500÷50=10

it would take you 10 minutes.

I need help help......

Answers

Answer:

5 DVD's

Step-by-step explanation:

So Basically It means the 25$ a month Plan is the same if you pay

5 DVD's

Ok each DVD costs 3$ and if you buy 5 of them you just bought 15 bucks worth of DVD's plus the membership which is 10$ in which the equation is

3(x)+10=25

X=5 by the way

So Basically it means if you Buy 5 DVD's plus the member ship thats the same money as the 25$ a month deal for unlimated DVD's

Simplified version: 5 DVD's

Pedro has a square practice net in his backyard. The diagonal of the net is 6 feet. Find the length of one side of the net.

Answers

Answer:

3sqrt2

Step-by-step explanation:

If a side length is a, then a^2 + a^2 = 36

2a^2 = 36

a^2 = 18

a = 3sqrt2

Or, you can remember that in a square, if you cut it in half diagonally, you get a 45-45-90 triangle, so the sidenglth is diagonal/sqrt2

Help due asap
Show workings!

Answers

Answer:

BQ = 16

QE = 8

Step-by-step explanation:

Centroid of a triangle divides the median in the ratio 2 : 1

Here, let BQ = 2x and QE = x

BQ + QE = BE

2x + x = 24

3x = 24

x = 24/3

x = 8

2x = 2*8 = 16

BQ = 16

QE = 8

How do you pay taxes?

Answers

Answer:

;-;

Step-by-step explanation:

Answer:

um ‍♀️‍♀️‍♀️‍♀️

PLEASE HELP ASAP ASAP THIS WAS DUE HALF A WEEK AGOO ILL GIVE YOU BRAINLEIST AND 15 POINTS

Answers

1) 66 white beads
2) 192 players
3) 5
4) 9

2) 4:1
3) 2:3
4) draw 5 grey and 1 white
5) draw 6 grey and 3 white
6) 6, 9, 12
7) blue: 15
silver: 2,4

Answer:

Step-by-step explanation:

First Page

1.) 66 white beads

2.) 192 people

3.)

4.) 9 students

That's for the first page

Second Page

2.) 4:1

3.) 2:3

4.) Make 5 grey circles and one white circle

5.) make 6 grey circles and 3 white circles

6.)

Pencil 2; Sticker 3

Pencil 4; Sticker 6

Pencil 6; Sticker 9

Pencil 8; Sticker 12

7.)

Blue 5; Silver 1

Blue 10; Silver 2

Blue 15; Silver 3

Blue 20; Silver 4

Find the twelfth term in a sequence whose general term is given by an = 5n– 9.

Answers

Answer:

51

Step-by-step explanation:

N means that numbered term. If n is 1 then you are getting the first term, and so on.

So for the 12th term, n=12.

5(12)-9 = 60-9 = 51

Answer:

51

Step-by-step explanation:

please mark me as brainliest!!

Solve the equation 2x+3/3 - 3x/2=-4
Fast please

Answers

Answer:

x = 6

Step-by-step explanation:

Assuming the equation is

[tex]\frac{2x+3}{3}[/tex] - [tex]\frac{3x}{2}[/tex] = - 4

Multiply through by 6 ( the LCM of 3 and 2 ) to clear the fractions

2(2x + 3) - 9x = - 24

4x + 6 - 9x = - 24

- 5x + 6 = - 24 ( subtract 6 from both sides )

- 5x = - 30 ( divide both sides by - 5 )

x = 6


Hey can someone please help me with this? I’d appreciate if you put steps down and the answer! Tysm.

Answers

What’s the actual problem?

Answer:

x = 21.9317122

Step-by-step explanation:

20² + 9² = x²

400 + 81 = x²

481 = x²

square root both answers and that's your answer

An airplane can cruise at 570 mph. How far can it fly in 4/3 hours?

Answers

Answer:

The plane can fly 760 miles in 4/3 hours.

Step-by-step explanation:

Given that:

An airplane can cruise at 570 miles per hour.

We have to find the distance travelled by train in 4/3 hours.

Distance = Speed * Time

Distance = [tex]570*\frac{4}{3}[/tex]

Distance = [tex]\frac{2280}{3}[/tex]

Distance = 760 miles

Hence,

The plane can fly 760 miles in 4/3 hours.

This is a new subject in my math class and I don’t understand anything pls helppp

Answers

Answer:

the width is 21 feet  

Step-by-step explanation:

because if each inch is equal to 3 feet 7x3=21 so its 21 feet yw have a great day

Joe is making lunch for his crew. Joe took 3 hours to prepare the vegetables. The vegetables were made up of 9 kilograms. How long do you think it will take Joe to prepare 30 kilograms of vegetables?

Answers

Answer:

10 hours to make 30 kilograms

PLEASE HELP!


An escalator in the mall rises to a platform and makes a 30 degrees angle with the ground. If the platform is 76 feet above the ground, how long is the escalator?

Answers

9514 1404 393

Answer:

  152 feet

Step-by-step explanation:

A triangle modeling the situation has the unknown length as its hypotenuse, and the given platform height as the side opposite the angle. The relevant trig function is ...

  Sin = Opposite/Hypotenuse

  sin(30°) = (76 feet)/(escalator length)

  escalator length = (76 feet)/sin(30°) = (76/0.5) feet

  escalator length = 152 feet

For the following figures determine if enough information is given to say the triangles are congruent by SAS postulate

Answers

Answer:

SAs bro I really just need points to ask my question. PLEASE I am struggling so hard rn. be a real one

multiply
Your answer should be a polynomial in standard form
(y^2 – 9)(y^2– 4) =

pls show how i’m trying to understand it

Answers

The answer is going to be y^4 -13y^2 +36
I hope this helps!
Please make me brainiest
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