Unit-5 Algebraic Expressions
In this unit we will discuss algebra.
Rewrite the following statements in the language of algebra stating the meaning of each letter you use:
i)The volume of a cube is the third power of the length of its edge.
ii)Two times a number plus three is equal to four.
iii)Three times a number decreased by 10 is 73.
iv)The I.Q. is calculated by multiplying 100 with the quotient of mental age by actual age.
v)The perimeter of a rectangle is twice the sum of its length and breadth.
vi)The temperature on the Fahrenheit scale is equal to 32 plus 1.8 times the temperature on the Celsius scale.