The expression are-
(a) the sum of the unknown number and 13; (13 + m)
(b) a number that will exceed the unknown number by five; (m + 50)
(c) the difference between 25 and the unknown number; (25 - m)
(d) the unknown number cubed; (m³)
(e) a third of the unknown number plus three; (m/3 + 3)
(f) four times the unknown number less twice the number. 4m - 2m
= 2m.
<h3>What is a variable or unknown number?</h3>
Variables can be used to represent variable quantities such as a varying price, the number of things you want to purchase, or even a gym membership where overall prices fluctuate based on the amount of months you want to be a member, and so on.
Some characteristics of variable are-
- Variables are frequently used in math expressions and equations.
- Variables, on the other hand, are key components of functions, in which one input, x, only has one result, generally y.
- A variable, or unknown, can be represented by any letter or symbol; it does not matter whether you use a, k, or x.
- In mathematical laws, laws, theorems, & standardized formulas, x indentifying the unknown value to be solved, whereas variables such as a, b, c, or m are employed as variables or coefficients, where the formula always works the same regardless of which integer and real number is substituted in.
- Most of the time, x and y are utilized in functions, where y represents a value typically depend on the values of the variable x.
To know more about the variables, here
brainly.com/question/518248
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The complete question is-
Let the unknown number be 'm' . Write expressions for:
(a) the sum of the unknown number and 13
(b) a number that will exceed the unknown number by five
(c) the difference between 25 and the unknown number
(d) the unknown number cubed
(e) a third of the unknown number plus three
(f) four times the unknown number less twice the number.
