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mina [271]
2 years ago
12

Eva will draw two marbles from a bag that contains 5 red marbles, 7 blue marbles, 6 green marbles, and 2 yellow marbles. If Eva

is going to reach in the bag without looking, what is the probability that she will draw a yellow marble on the first try without replacing and draw a red marble on the second try?
Mathematics
2 answers:
zimovet [89]2 years ago
6 0

Answer: THE PROBABILITY OF DRAWING A YELLOW MARBLE IS 1/10

THE PROBABILITY OF DRAWING A RED MARBLE IS 5/18

Step-by-step explanation:

FIRST WE DIVIDE THE NUMBER OF YELLOW MARBLES  WITH THE TOTAL AMOUNT OF MARBLE THAT IS 2(THE NUMBER OF YELLOW MARBLES)/20(THE TOTAL NUMBER OF MARBLES IN THE BAG)

SO 2/20=1/10

WHEREAS IN THE SECOND ONE, THE YELLOW MARBLES ARE ALREADY DRAWN SO 20-2=18 5(THE NUMBER OF RED MARBLES)/18(THE TOTAL NUMBER OF MARBLES)

SO 5/18

mixas84 [53]2 years ago
5 0

Answer:7 in 21

Step-by-step explanation:

Hopes this help

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Anna11 [10]

Answer:

W'' = (2, -3)

Step-by-step explanation:

Reflection over the x-axis negates the y-coordinate and leaves the x-coordinate alone. The W becomes ...

... W' = (-2, -3)

Reflection over the y-axis negates the x-coordinate and leaves the y-coordinate alone. The W' becomes ...

... W'' = (2, -3)

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2 years ago
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Answer:

a. obtuse angle

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3 years ago
Kenzie finds purple, blue, and silver space rocks while exploring, 2/3 of the rocks are purple and 3/4 of the remainder are blue
Nadya [2.5K]

Answer:

There were 36 space rocks in total.

Step-by-step explanation:

First, you need to find what fraction of the original rocks are silver.

If 2/3 are purple, then 1/3 of them are not.

If 3/4 of the remaining 1/3 are blue, then 3/4 x 1/3 = 3/12 rocks are blue.

2/3 of the rock are purple, 3/12 of them are blue, and the remaining is silver.

So, you need to do 2/3 - 3/12, then find common denominators so, 8/12 - 3/12 which = 1/12.

This means 1/12 of the rocks are silver. If there are silver rocks, you need to find a suitable equation that needs to be solved.

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hope this helps :)

3 0
3 years ago
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Answer:

4b^-1

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