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expeople1 [14]
3 years ago
9

How many 2-letter combinations can be made from the letters A, B, C, and D?

Mathematics
2 answers:
yulyashka [42]3 years ago
5 0

Answer:

12

Step-by-step explanation:

each letter can be used with each other 3 times and there are 4 letters so 12

storchak [24]3 years ago
3 0

Answer: 6

Step-by-step explanation:

edge

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2x/x-3 - 6/x-3 . I need a step by step explanation , please
Harman [31]
When adding/subtracting fractions you need a common denominator, but you already have one, which is x-3.  So in general:

a/c-b/c=(a-b)/c so you just have:

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2

However!  Note that division by zero is undefined, so x cannot equal 3.  (because both original fractions had denominators of x-3)

What this all means is that that expression will equal 2 for all real values of x other than 3.
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3 years ago
5:13 equivalent ratio
tresset_1 [31]

Answer:

10:26

Step-by-step explanation:

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3 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
An aircraft carrier left Port 35 traveling north five hours before a container ship. The container ship traveled in the opposite
Molodets [167]

Answer:

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Step-by-step explanation:

Given that the time taken by the aircraft = 5 hours

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X + Y = 303

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V = 303/61

V = 4.97 km/h

Aircraft carrier speed = 4.97 km/h

5 0
4 years ago
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Step-by-step explanation:

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