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Katena32 [7]
2 years ago
14

​f(x)

Mathematics
1 answer:
padilas [110]2 years ago
5 0
nshsu1273 Rowe 2827
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A researcher plans to identify each participant in a certain medical experiment with a code consisting of either a single letter
Digiron [165]

Answer:

at least 5

Step-by-step explanation:

<u><em>If the question was similar to the one given below </em></u>

A researcher plans to identify each participant in a certain medical experiment with a code consisting of either a single letter or a pair of distinct letters written in alphabetical order. What is the least number of letters that can be used if there are 12 participants, and each participant is to receive a different code?

<em><u>The answer would be as follows</u></em>

If we use 3 letters or any distinct letter as a comma such that 2 are in alphabetical order then we would get

4C2= 6 ways to use these letters and the comma

If we use 4 letters or any distinct letter as a comma such that 2 are in alphabetical order then we would get

5C2= 10 ways to use these letters and the comma

If we use 5 letters or any distinct letter as a comma such that 2 are in alphabetical order then we would get

6C2= 15 ways to use these letters and the comma

We need the least number of the alphabets to assign codes to 12 participants.

So the least number of alphabets is 5 because it can give codes to at least to  12 people .

Pair of alphabets + distinct letter ≥ 12

5 + 1  ≥ 12

6c2  ≥ 12

15  ≥ 12

3 0
2 years ago
Help me with this one.
sammy [17]
Pretty sure it's:
25+-8+-3
25+-11
=14
4 0
3 years ago
Read 2 more answers
(1/4)^3z-1=16^z+2x 64^z-2
SpyIntel [72]

Answer:

Step-by-step explanation:

3 0
2 years ago
?????,?,????????????????,"&amp;_#£$£¥$£$???​
djyliett [7]
B explination ?????????,????,? &#£$£$£$£$£$???
3 0
3 years ago
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HELP ASAP PLS AND THANKS!!!!
likoan [24]
The first one is the correct answer
7 0
3 years ago
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