A box contains 20 balls, of which 12 are red and 8 are blue. If two balls are to be drawn from this box at random without replac
ement, what is the probability that one ball will be red and the other will be blue?
1 answer:
Answer:
Dear User,
Answer to your query is provided below
The total probability is the sum of both probabilities.
Step-by-step explanation:
Explanation for the same is attached in image
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Answer:
29
Step-by-step explanation:
Total marble = 36
Let red marbles be X
Then green marble is 4X + 1
And 4X + 1 + X = 36
5X = 36 - 1
5X = 35
X = 35/5 = 7
So, green marbles = 4X + 1
= 4(7) + 1
= 29
I'm fairly sure that the answer is an ecosystom.
All you have to do is 431.2 divided by 24.5
Hope this helps
Answer:
7x
Step-by-step explanation:
5x6 = 30 divided in half because its a triangle
=15
2x3 = 6
15-6 = 9
