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charle [14.2K]
3 years ago
13

How many ways can you arrange the letters in the word prime?

Mathematics
1 answer:
Jobisdone [24]3 years ago
7 0
There are 5 letters in the word "prime"

Imagine we had 5 slots to fill. They are empty initially. 
Slot 1 has 5 choices to pick from
Once we pick a letter, we have 4 choices left over for slot 2
Slot 3 will have 3 choices
Slot 4 will have 2 choices
Slot 5 will have 1 choice

We have this countdown: 5,4,3,2,1

which multiplies out to 5*4*3*2*1 = 120

There are 120 unique ways to arrange the letters. Order matters. Because order matters, this is a permutation.
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We'd need more information like the relationship between those equations.

Step-by-step explanation:

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2 years ago
PLEASE HELP ME THIS.. I REALLY NEED<br> HELP
Colt1911 [192]

9514 1404 393

Answer:

  5 hours

Step-by-step explanation:

A quick way to look at this is to compare the difference in hourly charge to the difference in 0-hour charge.

The first day, the charge is $3 more than $12 per hour.

The second day, the charge is $12 less than $15 per hour.

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The charges are the same after 5 hours.

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If you write equations for the charges, they will look like ...

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Equating these charges, we have ...

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  12x +3 = 15x -12 . . . . . . . . eliminate parentheses

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You might notice that the math here is very similar to that described in words, above.

The charges are the same after 5 hours.

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Answer: C

Step-by-step explanation:

We know the scale factor is 6/2=3.

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B) False. Rectangle B is larger than Rectangle A.

C) The square of the ratio of the side lengths is the ratio of the areas.

D) False. The ratio of the side lengths, not the areas, is 1 to 3.

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2 years ago
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