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vitfil [10]
3 years ago
8

A bag contains 3 red marbles, 2 blue marbles, and 5 green marbles. What is the probability of selecting a red marble, replacing

it in the bad and then selecting a green marble
Mathematics
1 answer:
RUDIKE [14]3 years ago
8 0

Answer:

3/20

Step-by-step explanation:

The total number of marbles is

3 red marbles+ 2 blue marbles+ 5 green marbles = 10 marbles

P(1st marble is red) = red marbles/total

                                =3/10

We replace the marble so there are still 10 marbles in the bag

P(2nd marble is green) = green marbles/total

                                =5/10 = 1/2

P(1st red, 2nd green) = P(1st marble is red) * P(2nd marble is green)

                                   =3/10 *1/2

                                    =3/20

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Step-by-step explanation:

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Write 9x-3y=-69 x − 3 y = − 6 in slope-intercept form. Make sure you show all steps and inverse operations.Write 9x-3y=-69 x − 3
Goryan [66]

Answer:

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Step-by-step explanation:

The first equation is 9x - 3y = - 69 and we have to write it in slope-intercept form.

Now, 9x - 3y = - 69

⇒ 3x - y = - 23 {Dividing both sides by 3}

⇒ 3x + 23 = y

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The second equation is x - 3y = - 6 and we have to write it in slope-intercept form.

Now, x - 3y = - 6

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⇒ 3y = x + 6 {Interchanging the sides}

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Step-by-step explanation:

3 0
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Read 2 more answers
at a carnival, a clown has 165 red balloons. He has 198 fewer red balloons than yellow balloons. How many yellow balloons does t
Mama L [17]

Answer:

The clown has 363 yellow balloons

Step-by-step explanation:

The clown has 165 red balloons.

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The question tells us that this value is 198 balloons less than the yellow ones.

This means that if we add 198 to the number of red balloons we should get x - the number of yellow ones.

x = 165 +198 = 363 balloons

Therefore, the clown has 363 yellow balloons

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