Abag contains 5 red marbles, 3 blue marbles, and 1 green marble. if one marble is removed from the bag, find the probability that it is not blue
a) 1/3
b) 6
c)3/2
d)2/3

d)

Step-by-step explanation:

We have the following information:

total of marbles: 5 + 3 + 1 = 9

The probability of removing one marble from the bag and not being blue is:

Where is the probability of removing a blue marble, which is:

So, the probability of removing one marble that is not blue, is the total probability (1) minus the probability of removing a blue marble:

Another way to reach the same result is as follows:

Since it can't be a blue one, we add the chances of it coming out red or green.

Thus:

Which is the same result we had found, so those are two ways of finding the answer to this problem.

y = 2x

step-by-step explanation:

if you divide each number in the sequence, you'll see that they all have a multiple factor of 2. each number in the series, and any other numbers which may continue, will be multiplied by 2. therefore, y is the next number in the sequence, and x is the current one, so, our formula will be y = 2x.

to find the total number of combinations, multiply the quantity of each item by each other:

2 pairs of shoes x 3 pairs of shorts = 6 different combinations.