There is a bag filled with 4 blue, 3 red and 5 green marbles.
A marble is taken at random from the bag, the colour is noted and then it is not replaced.
Another marble is taken at random.
What is the probability of getting exactly 1 green?

Answers

Answer 1

Answer:

Step-by-step explanation:

P(g=1) is equal to

1-P(g=0)-P(g=2)

P(g=0)=(7/12)(6/11)

P(g=2)=(5/12)(4/11) so

P(g=1)=1-(42/132)-(20/132)

P(g=1)=(132-42-20)/132

P(g=1)=70/132

P(g=1)=35/66


Related Questions

help me please? ill mark as brainliested :))

Answers

Answer:

go down 5 on the y axis (the one going up and down)

Step-by-step explanation:

since its negative you go down, and since it doesnt give an x axis it doesnt go left or right.

#1) Catherine takes AC transits to school and the bus travels 35 blocks in 7 minutes. At this rate, how long
should the ride take if Catherine's school is 50 blocks away from her house? Explain how you know.

Answers

10 minutes, you divide the blocks (35) by the time (7) which will give you the amount of blocks per minute which is 5 and you divide the amount you live (50) and you get 10 minutes

Which number is in the solution set of this equation? 7x − 9 = 40

Answers

Answer: the answer is 7

Step-by-step explanation: add 9 to both sides, eliminating -9 so now you have 7x=49 divide both by 7 and you get x= 7 check it by inputing 7 for x, 7(7)-9=40

7(7)=49 next 49-9= 40

it checks out, so x= 7

Can anyone help me please ?

Answers

3 I’m not entirely sure though

Help please 10 points

Answers

Answer:

200

Step-by-step explanation:

basically, all you have to do is plug in 30 for n. You would get -3 + 7(30-1), and then you would get -3 + 7 x 29, and then you would get -3 + 203, and the final answer would be 200

The answer is 200!!!

what multiple of 9 is a factor of 9

Answers

Answer:

9

Step-by-step explanation:

Answer:

( 1 ), ( 3 ), ( 9 )

Step-by-step explanation:

Every time you add one to a digit (which is the same as adding 10, 100, 1000, etc) you get a number that is one more than a multiple of 9, so you have to subtract one from the number, which brings the sum of the digits back to 9.

what is the formula for area

Answers

area of rectangle = length×breadth

area of square = side×side

How do you do this what the answer to number 12

Answers

DONT click that link

HELP ME NOW PLEASE AND THANK YOUUU !! Asap on this questions

Answers

Answer:

y ≥ -1/2x + 1

Step-by-step explanation:

Not the 1st choice since it's going down

Not the 2nd choice since it's solid line

It's the 3rd choice

Answer:

y ≥ -1/2x + 1

Step-by-step explanation:

Hope this helps

Is it the first one the second one the third one the fourth one ??not to be rude but please hurry !!! 20 points !!!

Answers

Answer:

5/6 ÷ 1/12 = 10

Step-by-step explanation:

5/6 ÷ 1/12     =      5/6 x 12/1 = 60/6 = 10

Proof:

5/6 tank = 10/12 tank

If each trip takes 1/12 tank, then 10 ÷ 1 = 10 trips

which set of sides will NOT make a triangle?
19cm 14cm 7cm
11cm 13cm 3cm
12cm 7cm 5cm
2cm 3cm 4cm

Answers

Answer:

12cm 7cm 5cm

Step-by-step explanation:

Since 7 + 5 is = 12, it cannot be a side of a triangle. If you add any 2 numbers, the sum must be greater than the 3rd one.

Which of these factored expressions are equivalent to 15x+45? Select all that apply

A-3(5x+15)
B-5(3x+9)
C-15(x+3)
D-15(x+45)

Answers

Answer:

A, B, C

Step-by-step explanation:

15x+45

3 (5x + 15)

5(3x +9)

15(x + 3)

A forest covers 58,000 acres. A survey finds that 0.7​% of the forest is​ old-growth trees. How many acres of​ old-growth trees are​ there?

Answers

Answer:

406

Step-by-step explanation:

0.7 % / 100 = 0.007

58000 * 0.007 = 406 acres

6+6= (mod 4)
Determine what number the sun is congruent to in mod 4

Answers

Answer:

c gsudhdbxjxjsjsbhxidhsv susb

plz help me with the puiz

Answers

The slope of that line is one!

X+3y=17 -2x+3y=-7 how do you solve it

Answers

Answer:

X+3y=17  is  x=−3y+17

-2x+3y=-7  is  x= 3 /2 y+ 7 /2

Step-by-step explanation:

find the volume of the solid figure​

Answers

Answer:

Volume= Length × Width × Height

Oscar buy his lunch in the school cafeteria the cost of 15 schools lunches is $33.75

Answers

Answer:

$2.25

Step-by-step explanation:

If the answer is how much is one school lunch then...

33.75/15

=2.25

$2.25

It is $2.25 for each meal he gets from school.

Write an equation of the line that passes through the points (3,8) and (2.6). Write the equation in slope-intercept form.
The equation of the line in slope-intercept form is

Answers

Answer:

2x - y + 2 = 0 is the equation

y = 2x + 2 is the equation in slope-intercept form

Step-by-step explanation:

slope = (y₂ - y₁) / (x₂ - x₁)

slope = (6 - 8) / (2 - 3)

slope = -2 / -1

slope (m) = 2

equation through the points (3,8) and (2,6):

(y - y₁) / (y₂ - y₁) = (x - x₁) / (x₂ - x₁)

(y - 8) / (6 - 8) = (x - 3) / (2 - 3)

(y - 8) / -2 = (x - 3) / -1

-y + 8 = -2x + 6

2x - y + 2 = 0

slope-intercept form,

y = mx + c

y = 2x + 2

On a map 3 cm represents 21 km. What is the
length of a road in cm if the actual length of the
road is 105 km?

Answers

Answer:

`5 centemeters.

Step-by-step explanation:

Just divide the KM by 7 since 21 divided by 3 is 7. So dividing 105 by 7 gives you 15. HOPE THIS HELPS! :)

Which expression is equivalent to 3(6+p) ?

Answers

Answer:

18 + 3p

Step-by-step explanation:

Using distributive property:

3(6+p)

18 + 3p

Can someone help me please

Answers

Answer:

13.7

Step-by-step explanation:

15^2-6^2=189

The square root of 189 is 13.74 blah blah blah

Answer:

13.7

Step-by-step explanation:

a²+b²=c²

a²+6²=15²

a²+36=225

a²=189

a≈13.7

easy 25 points!!!!!!!!!

look at the picture provided, find G

Answers

Answer:

There right there u don't see it?

What is the value of this expression? 44−{(6+8)÷2}×3

14

23

69

111

Answers

Answer:

23

Step-by-step explanation:

First, open the brackets.

44 - (14/2) x 3

44 - 7 x 3

44 - 21

23

the equation of a circle is x2 + y2 - 12x + 6y + 20 = 0.
what is the radius of the circle? enter your answer in the box. r = ___ units​

Answers

Answer:

Center (6, -3)

Radius 5

Solve the equation for x, and enter your answer in the box below.
x + (-12) = 11
Answer here

Answers

x+(-12)=11
+12 +12
x =23

Answer:

X=23

Step-by-step explanation:

x + (-12) = 11

Open the bracket

x-12=11

Collect like terms

X=11+12

X=23

A TV has an original price of
$499. Find the new price given a 10% increase

Answers

501 dollars duhhhhhh
change 10% to 0.1
499 x 0.1 = 49.9
499 + 49.9 = 548.9

Barry carefully measured all three sides of the triangle and the dimensions were as follows: 7 meters, 8 meters, 10 meters. Was it a Right Triangle? Please help!

Answers

Answer: Not a right-angled triangle

Step-by-step explanation:

Given

The sides of a triangle are [tex]7\ m, 8\ m, \text{and}\ 10\ m[/tex]

For a right-angle triangle, it must satisfy the Pythagoras theorem

[tex]a^2+b^2=c^2[/tex]

i.e. the square of the larger side must be equal to the sum of the square of the remaining two sides

Here,

[tex]\Rightarrow 7^2+8^2\ ?\ 10^2\\\Rightarrow 49+64\ ?\ 100\\\Rightarrow 113\neq 100[/tex]

Therefore, it is not a right-angle triangle

Mrs. Alley is buying carpet for a rectangular room that measures 12 feet wide and 24 feet long. How many square feet of carpet will Mrs. Alley need?

Answers

I’m not 100 percent sure but I THINK The Answer is 288 square feet of carpet. (I did 12x24)

Wall-E is sending signals that he is driving into a crater at an angle of depression of 58°. If Wall-E covers a horizontal distance of 130 meters, what vertical distance has it traveled?

Answers

Answer:

208 meters

Step-by-step explanation:

Wall-E is sending signals that he is driving into a crater at an angle of depression of 58°. If Wall-E covers a horizontal distance of 130 meters, what vertical distance has it traveled?

tan θ = Opposite/Adjacent

θ = Angle of depression

Adjacent = Horizontal distance = 130 meters

Opposite = Vertical distance = x

θ = 58°

tan 58 = x/130 meters

Cross Multiply

x = tan 58 × 130 meters

x = 208.04348878 meters

Approximately = 208 meters

Therefore, the vertical distance it travelled is 208 meters

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