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Stella [2.4K]
3 years ago
7

There are 5 red marbles, 15 blue marbles, and 5 green marbles in a bag. You reach in and randomly draw a marble, replace it, and

draw another marble. What is the probability that one will be red and one will be blue?
Mathematics
1 answer:
max2010maxim [7]3 years ago
7 0

Answer:

Blue: 3/5

Red: 1/5

if the question is asking for the probability of if one marble you will pick out of bag is red OR blue, it will be 4/5

Step-by-step explanation:

add all the marbles together. 25 marbles.

so if there are 15 blue marbles, then there would be a 15 out of 25 chance you  will get a blue marble. simplified is 3/5. same goes for the red marbles.

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Answer:

Horizontal line: y=-5

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Step-by-step explanation:

As we have to determine the equations for the horizontal and vertical lines passing through the point (4, -5).

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Therefore, the equation of the horizontal line passing through the point (4, -5) will be: y=-5

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Therefore, the equation of the vertical line passing through the point (4, -5) will be: x=4

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1. When a cannonball is fired, the equation of its pathway can be modeled by h = -1612 + 128t.
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t = 128/32

t = 4seconds

The maximum height can be gotten by substituting t = 4 into the modelled equation.

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h = -16(4)²+128(4)

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