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The population of a place increased to 54,000 in 2003 at a rate of 5% per annum find the population in

asked Jan 17, 2022 in 8th-maths by purvi (1.8k points)

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Subtract `5x^2 – 4y^2 + 6y – 3` from `7x^2 – 4xy + 8y^2 + 5x –

asked Jan 17, 2022 in 8th-maths by Simran (1.8k points)

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Subtract 3xy + 5yz – 7zx from 5xy – 2yz – 2zx +

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

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Find the volume of each rectangular box with given length, breadth and height. . length breadth height (i) `2ax` `3by` `5cz` (ii) `m^2n` `n^2p` `p^2m` (iii) `2q` `4q^2` `8q^3`

asked Jan 17, 2022 in 8th-maths by purvi (1.8k points)

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Find the product of the following pairs of monomials. `4p^3, –

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

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Obtain the volume of rectangular boxes with the following length, breadth and heightrespectively. 2p, 4q, 8r

asked Jan 17, 2022 in 8th-maths by sumit (1.6k points)

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Carry out the multiplication of the expressions in each of the following pairs. `a + b,

asked Jan 17, 2022 in 8th-maths by krutika (1.7k points)

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Multiply `(a^2 + 2b^2)` and (5a –

asked Jan 17, 2022 in 8th-maths by uday (1.6k points)

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Find the product. (5 – 2x) (3 + x)

asked Jan 17, 2022 in 8th-maths by purvi (1.8k points)

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Simplify. `(x + y)(x^2 – xy +

asked Jan 17, 2022 in 8th-maths by krutika (1.7k points)

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Find the following squares by using the identities.

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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Simplify. `(2.5p – 1.5q)^2 – (1.5p –

asked Jan 17, 2022 in 8th-maths by nishit (1.8k points)

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(i) How are prisms and cylinders

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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Evaluate

asked Jan 17, 2022 in 8th-maths by purvi (1.8k points)

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Express the number appearing in the following statements in standard form. Size of a plant cell is 0.00001275

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

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The cost of 5 metres of a particular quality of cloth is Rs 210. Tabulate the cost of 2, 4, 10 and 13 metres of cloth of the same

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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A photograph of a bacteria enlarged 50,000 times attains a length of 5 cm as shown in the diagram. What is the actual length of the bacteria? If the photograph is enlarged 20,000 times only, whatwould be its enlarged

asked Jan 17, 2022 in 8th-maths by krutika (1.7k points)

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Rashmi has a road map with a scale of 1 cm representing 18 km. She drives on a road for 72 km. What would be her distance covered in the

asked Jan 17, 2022 in 8th-maths by nishit (1.8k points)

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How many faces does each of the following solids, have? (a) Tetrahedron (b) Hexahedron (c) Octagonal Pyramid (d)

asked Jan 17, 2022 in 8th-maths by krutika (1.7k points)

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Check whether a polyhedron can have V = 12, E = 6 and F =

asked Jan 17, 2022 in 8th-maths by krutika (1.7k points)

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