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Vlad1618 [11]
3 years ago
13

There are 3 red, 1 blue and 2 yellow marbles in a bag. Once a marble is selected it is replaced. Find P(3 red marbles)

Mathematics
1 answer:
9966 [12]3 years ago
6 0

Answer:

1/5

Step-by-step explanation:

This are the possible outcome

RRR BBB YYY

RBY RYB RYY RBB

BRY BYR BRR BYY

YRB YBR YRR YBB. Total 15

R red

B blue

Y yellow

Probability = numbers of required outcome/number of possible outcome

No of possible outcome =15

No of required outcome = 3 red marbles

So

3/15

P(3red marbles) =1/5

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Please help me quick :(
Vinvika [58]

Answer:

I don't know how helpful I'll be, sorry :(

Step-by-step explanation:

So the scale factor is 1/4 reduction because the triangle P'Q'R' is smaller than the original. When reflecting the triangle P'Q'R' over the Y axis, you'll have P"Q"R". The graphing might be a little confusing but it's just a vertical reflection.

P" = (-1,0)

Q"= (0,-1)

R"= (2,-1)

Triangles PQR and P"Q"R" are not congruent because P"Q"R" has had a 1/4 reduction and a vertical reflection.

7 0
3 years ago
What is the greatest common factor of 5xy and 20x
kvasek [131]

Answer:

5x

Step-by-step explanation:

7 0
3 years ago
In gfc factor 24-9 and 14x+63
icang [17]

Answer:

7(2x+9)

3(8-3)

Step-by-step explanation:

14x+63

We can factor out a 7

7(2x+9)


24-9

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4 0
3 years ago
In a game, a participant is given three attempts to hit a ball. On each try, she either scores a hit, H, or a miss, M. The game
Sidana [21]

Answer:

chancing for wining is 54%.

Step-by-step explanation:

possible outcomes can be given as

HHH *

HHM *

HMH

MHH *

HMM

MHM

MMH

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Out of those, only 3 will have the participant win the game:

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Probability (HHH) + Probability (HHM) + Probability (MHH)

since attempts are independant.

Probability (HHH) = 0.9 *0.4 *0.9 = 0.324

Probability (HHM) = 0.9 *0.4 *0.3 = 0.108

Probability (MHH) = 0.3 *0.4 *0.9 = 0.108

Add them up and get  = (0.324+ 0.108+0.108) = 0.54

hence, chancing for wining is 54%.

3 0
3 years ago
A TRIANGLE HAS SIDE LENGTH 3, 8 AND 9. FIND THE ANGLE MEASUREMENT FOR THE ANGLE CROSS FROM THE SIDE WITH LENGTH OF 8.
LekaFEV [45]

Answer:

Answer in file:

Step-by-step explanation:

4 0
3 years ago
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