Which of the following uses a variable to represent a person, place, or thing that is unknown

Mathematics

1 answer:

maw [93]3 years ago

4 0

Answer:

Mr X

Step-by-step explanation:

his identity is a variable ; it could be anybody of the male gender.

all the other ones denote known designations, i.e, B+ grade

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Answer:

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Step-by-step explanation:

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