There are 3 red marbles, 2 green marbles, and 5 blue marbles in a bag. Which of the following are true? The probability of randomly drawing a red marble and then a green marble is . The probability of randomly drawing either a red marble or a green marble is . The probability of not drawing a blue marble is 50%. The probability of drawing a blue marble is the same as drawing either a red or a green marble.

1

9

3 red

2 blue

5 green

Total

3

+

2

+

5

=

10

Probability of blue is

2

10

Second condition:

3 red

1 blue

5 green

New total

3

+

1

+

5

=

9

Probability of green is

5

9

Total probability of selecting this path is:

2

10

×

5

9

=

2

9

×

5

10

=

2

9

×

1

2

=

1

9

choice b is correct

step-by-step explanation:

we have been given the following system of linear inequalities;

we are required to graphically determine the solution to these system of inequalities. using a graphing tool, the solution is as shown in the attachment below;

x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x

step-by-step explanation:

last month maria hiked the 5-mile mountain trail a number of times and she hiked the 10-mile canal trail several times. let x represent the number of times she hiked the 5-mile trail, and let y represent the number of times she hiked the 10-mile trail. if she hiked a total of 90 miles, which equation can be used to find the number of times maria hiked each trail? x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x