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FinnZ [79.3K]
3 years ago
15

Why is it important to describe the variable in an expression?

Mathematics
2 answers:
Korvikt [17]3 years ago
5 0

Answer: They show numerical value. You have to make them clear.

Step-by-step explanation:

Snowcat [4.5K]3 years ago
5 0

Answer:

you define it, and it lets you know how to properly write the equation. ... If you want to solve for the unknowns using mathematical equations it is necessary to define the unknown variables i.e. what they represent in the real world so that the known relationships can be expressed in equation form

Step-by-step explanation:

its basically a value that can hold and amount depending on the value you give it

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In a multiple choice examination of 20 questions, four marks are given for each correct answers and one mark is deducted for eac
mrs_skeptik [129]

Step-by-step explanation:

Total no. of questions = 20

Marks given for a correct answer = 4

Marks deducted for a wrong answer = 1

No. of questions attended by the candidate = a

No. of questions the candidate gets correct = c

No. of questions the candidate gets wrong = a - c

Marks obtained for correct answers = 4c

Marks deducted for wrong answers = 1 (a - c)

Total marks scored by the candidate =

Marks obtained for correct answers - Marks deducted for wrong answers

Total marks scored by the candidate = 4c - 1 (a - c)

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Step-by-step explanation:

y = mx + b, where b is the y-intercept, in this case, y-intercept is 6.

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What is a decimal point
hodyreva [135]
A decimal point is a dot or period that is placed after a whole number. Every number has a decimal point. For example, 1.243 has one. Also, 5. has a decimal point. They are just sometimes invisible. When you use a decimal point, it means that the number has a part of something added to it.
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Find the length of AC to the nearest tenth of a meter. 6pts
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