Advertisements
Advertisements
Question
Write in the form of an algebraic expression:
Perimeter (P) of a rectangle is two times the sum of its length (l) and its breadth (b).
Advertisements
Solution
Let P be the perimeter and l be the length, and b be the breadth.
P = 2 (l + b)
APPEARS IN
RELATED QUESTIONS
Factorize x2 - y2 - 4xz + 4z2
Factorize `2x^2 - 5/6x + 1/12`
Factorize the following expressions:
1029 – 3x3
Factorize the following expressions:
a3 + b3 + a + b
Factorize 125x3 - 27 y3 - 225x2 y +135xy2
The value of \[\frac{(0 . 013 )^3 + (0 . 007 )^3}{(0 . 013 )^2 - 0 . 013 \times 0 . 007 + (0 . 007 )^2}\] is
The factors of x3 − 7x + 6 are
Evaluate: - 4y (15 + 12y - 8z) (x - 2y)
Divide: 3y3 - 9ay2 - 6ab2y by -3y
Write in the form of an algebraic expression:
Perimeter (P) of a square is four times its side.
Solve the following equation.
4(x + 12) = 8
Write the coefficient of x2 and x in the following polynomials
`4 + 2/5x^2 - 3x`
Write the coefficient of x2 and x in the following polynomials
`6 - 2x^2 + 3x^3 - sqrt(7)x`
An equation is true for all values of its variables.
A taxi service charges ₹ 8 per km and levies a fixed charge of ₹ 50. Write an algebraic expression for the above situation, if the taxi is hired for x km.
Shiv works in a mall and gets paid ₹ 50 per hour. Last week he worked for 7 hours and this week he will work for x hours. Write an algebraic expression for the money paid to him for both the weeks.
A triangle is made up of 2 red sticks and 1 blue sticks
. The length of a red stick is given by r and that of a blue stick is given by b. Using this information, write an expression for the total length of sticks in the pattern given below:

Shashi used addition to solve a word problem about the weekly cost of commuting by toll tax for ₹ 15 each day. Ravi solved the same problem by multiplying. They both got the correct answer. How is this possible?
Express the following properties with variables x, y and z.
Commutative property of multiplication
In the term 10xyz, what is the numerical coefficient?
