Questions by nikhil

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Complete the table of products. First monomial → Second monomial ↓ `2x` `-5y` `3x^2` `-4xy` `7x^2 y` `–9x^2 y^2` `2x ` `4x^2` . . . . . . . . . . . . . . . `–5y` . . . . . . `–15x^2 y` . . . . . . . . . `3x^2` . . . . . . . . . . . . . . . `– 4xy` . . . . . . . . . . . . .

asked Jan 18, 2022 in 8th-maths

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Carry out the multiplication of the expressions in each of the following pairs. `a^2 – 9,

asked Jan 18, 2022 in 8th-maths

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Find the product.

asked Jan 18, 2022 in 8th-maths

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Find the product. `x xx x^2 xx x^3 xx

asked Jan 18, 2022 in 8th-maths

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Multiply (x – 4) and (2x + 3)

asked Jan 18, 2022 in 8th-maths

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Simplify (a + b) (2a – 3b + c) – (2a – 3b)

asked Jan 18, 2022 in 8th-maths

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Simplify. `(t + s^2) (t^2 –

asked Jan 18, 2022 in 8th-maths

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Using the Identity (I), find `(2x +

asked Jan 18, 2022 in 8th-maths

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Using the Identity (I), find

asked Jan 18, 2022 in 8th-maths

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Use the identity `(x + a) (x + b) = x^2 + (a + b) x + ab` to find the following products. (x + 3) (x + 7)

asked Jan 18, 2022 in 8th-maths

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Use the identity `(x + a) (x + b) = x^2 + (a + b) x + ab` to find the following products. (2x + 5y) (2x + 3y)

asked Jan 18, 2022 in 8th-maths

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Simplify. `(2x + 5)^2 – (2x –

asked Jan 18, 2022 in 8th-maths

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asked Jan 18, 2022 in 8th-maths

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For each given solid, identify the top view, front view and side view. #fig (i) (ii)

asked Jan 18, 2022 in 8th-maths

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Using Euler’s formula find the

asked Jan 18, 2022 in 8th-maths

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The area of a trapezium shaped field is 480 `m^2` , the distance between two parallel sides is 15 m and one of the parallel side is 20 m. Find the other parallel

asked Jan 18, 2022 in 8th-maths

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The diagonals of a rhombus are 7.5 cm and 12 cm. Find its

asked Jan 18, 2022 in 8th-maths

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The floor of a building consists of 3000 tiles which are rhombus shaped and each of its diagonals are 45 cm and 30 cm in length. Find the total cost of polishing the floor,if the cost per `m^2` is Rs

asked Jan 18, 2022 in 8th-maths

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Find the height of a cuboid whose volume is 275 `cm^3` and base area is 25 `cm^2`

asked Jan 18, 2022 in 8th-maths

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Water is pouring into a cubiodal reservoir at the rate of 60 litres per minute. If the volume of reservoir is 108 m3 , find the number of hours it will take to fill the

asked Jan 18, 2022 in 8th-maths

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