23 1/5 minus 19 1/5.

2 answers:

lina2011 [118]4 years ago

8 0

Because the fraction has the same denominator, you would keep the fraction the same. you can’t subtract the fractions because you would get 0/5. keeping that in mind just subtract the 23 and 19 to get the whole number of 4 and then apply the 1/5 to the final answer. So itd be 4 1/5. i think

Strike441 [17]4 years ago

7 0

Answer:

The answer is 4.

Step-by-step explanation:

Since the fractions have the same denominators, all you have to do is subtract 1/5 from 1/5. When you subtract the numerators (1-1) you get 0. That would make the fraction 0/5, but that does not have to be included in the answer since it has no value. Subtract the whole numbers (23-19) to get 4.

Hope I helped you out!

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White raven [17]

Part (a)

Label the doors A, B, C.

If a person goes through door A, then they have 2 choices (B or C) to pick as an exit. Similarly, if they go through door B, then they have 2 choices for an exit (A or C). Finally, if they go through door C, then they have 2 choices for an exit (A or B).

We have 3 choices for the entrance, and 2 choices for the exit.

So overall, 3*2 = 6 different combinations are possible.

Those 6 combos are

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<h3>Answer: 6</h3>

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Part (b)

This is effectively the same as part (a), but we can now re-use the entrance door. For any door we enter, we have 3 choices to pick from for the exit. There are 3 doors, so 3 entrances and 3 exits, meaning 3*3 = 9 different combinations.

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AA, AB, AC, BA, BB, BC, CA, CB, CC

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stira [4]

Answer:

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