Which of the following is a monomial?

Mathematics

2 answers:

Sav [38]4 years ago

8 0

In mathematics, monomial is a term that is used to describe an algebraic term whereby there is only one term present in the expression. Among them which consists of only one term/expression.

Lady_Fox [76]4 years ago

5 0

Stereo or mono?
Mono is an indicator that the word following is indicating one of something or a single part. Which one has just one expression?

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Answer:

unreadable score = 35

Step-by-step explanation:

We are trying to find the score of one exam that is no longer readable, let's give that score the name "x". we can also give the addition of the rest of 9 readable s scores the letter "R".

There are two things we know, and for which we are going to create equations containing the unknowns "x", and "R":

1) The mean score of ALL exams (including the unreadable one) is 80

so the equation to represent this statement is:

mean of ALL exams = 80

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since the mean is the addition of all values divided the total number of exams.

in a similar way we can write what the mean of just the readable exams is:

$\frac{R}{9} = 85\\$ (notice that this time we don't include the grade x in the addition, and we divide by 9 instead of 10 because only 9 exams are being considered for this mean.