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sveticcg [70]
3 years ago
8

A student pours water into a cup and places the cup in a freezer.After many hours ,the water will change from

Mathematics
2 answers:
Triss [41]3 years ago
6 0
C. liquid to solid. 
When things get cooler, they go from gas to liquid to solid. If you know water is a solid, and you know it's cooling and changing states, then you can correctly infer that it is changing from a liquid to a solid. 
Citrus2011 [14]3 years ago
6 0
C liquid to solid because the water will turn to ice and become a solid
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An urn contains 2 red marbles and 3 blue marbles. 1. One person takes two marbles at random from the urn and does not replace th
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Answer:

A) The best way to picture this problem is with a probability tree, with two steps.

The first branch, the person can choose red or blue, being 2 out of five (2/5) the chances of picking a red marble and 3 out of 5 of picking a blue one.

The probabilities of the second pick depends on the first pick, because it only can choose of what it is left in the urn.

If the first pick was red marble, the probabilities of picking a red marble are 1 out of 4 (what is left of red marble out of the total marble left int the urn) and 3 out of 4 for the blue marble.

If the first pick was the blue marble, there is 2/4 of chances of picking red and 2/4 of picking blue.

B) So a person can have a red marble and a blue marble in two ways:

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2) Picking the blue first and the red last

C) P(R&B) = 3/5 = 60%

Step-by-step explanation:

C) P(R&B) = P(RB) + P(BR) = (2/5)*(3/4) + (3/5)*(2/4) = 3/10 + 3/10 = 3/5

3 0
2 years ago
The sum of five times a number and -6 is -2
k0ka [10]
5n + (-6) = -2
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4 0
3 years ago
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Brainliest if you show how to do the work
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Answer:

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Step-by-step explanation:

Please can I have the brainliest

3 0
1 year ago
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