Form expressions using y, 2 and 7.Every expression must have y in it.Use only two number operations.These should be different.

Form expressions using t and 4.Use not more than one number operation.Every expression must have t in it.

Sarita and Ameena decide to paly a game of expressions. They take the variable x and the number 3 and see how many expressions they can make. The condition is that they should use not more than one out of the four number operations and every expression must have x in it. Can you help them? Sarita thinks of (x + 3) Then Ameena comes up with (x - 3) Is (3x+5) allowed? Is (3x + 3) allowed?

Use the given algebraic expression to complete the table of number patterns.

Use the given algebraic expression to complete the table of number patterns.

Get the algebraic expressions in the following cases using variables, constants and arithmetic operations .The number z multiplied by itself.

The electric powr consumed by a device may be calculate by using either of the two expression P=I^2R or P=V^2/R . The first expression indicates that it is directly proprotinal to R whereas the second expression indicates inverse proportiionality. How can the seemingly difference dependece of P on R in these expression be explained?

Express as m using decimals: 9 m 7cm

Express as Kg. using decimals: 2 g