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2 years ago

What is the sum of the probability of drawing a green marble and the probability of not drawing a green marble?

Mathematics

2 answers:

otez555 [7]2 years ago

8 0

6/12 to draw a green marble

6/12 to not draw a green marble

Rzqust [24]2 years ago

3 0

There are a total of 6 green marbles.

Along with 3 blue and 3 red.

There is a total of 12 marbles in the bag.

This would mean that you would have 6/12 chance of getting a green marble.

If you simplify this then it would be 1/2 chance of getting a green marble.

3/12 and 3/12 chance of getting a blue or red marble.

Therefore, there is 1/2 a chance of drawing a green marble and 1/2 a chance of not drawing a green marble.

Hope this helps! :3

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2 years ago

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3 years ago

Find equations of the line that is parallel to the z-axis and passes through the midpoint between the two points (0, −4, 9) and

Lorico [155]

Answer: x = -4, y = 0.5, z = 5 +t

Hi!

The line L whose direction is parallel to vector V a passes through point A

is parametrized

$P_L = Vt + A$

Where t, is a real number, and $P_L$ is a any point on line L.

In this case the direction is that of the z-axis , so V = (0, 0, 1)

A is the midpoint between points B = (0, -4, 9) and C=(-8, 5, 1)

The midpoint is A = (B + C)/2 = (-4, 0.5, 5)

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$P_L = (0,0,1) t + (-4, 0.5, 5)$

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2 years ago

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Aka: B

Step-by-step explanation:

Did it on edge just now !

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