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Add the following. a – b + ab, b – c + bc, c – a +

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

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Simplify the expressions and evaluate them as directed: x (x – 3) + 2 for x = 1,

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

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Use the identity `(x + a) (x + b) = x^2 + (a + b) x + ab` to find the following products. `(2a^2 + 9) (2a^2 +

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

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For each of the given solid, the three views are given. Identify for each solid the corresponding top, front and side views. A Match

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

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Can a polyhedron have for its faces 4

asked Jan 17, 2022 in 8th-maths by Simran (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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The shape of a garden is rectangular in the middle and semi circular at the ends as shown in the diagram. Find the area and the perimeter of this garden [Length of rectangle is 20 – (3.5 + 3.5) metres].

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

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A suitcase with measures `80 cm xx 48 cm xx 24 cm` is to be covered with a tarpaulin cloth. How many metres of tarpaulin of width 96 cm is required to cover 100 such

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

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Describe how the two figures at the right are alike and how they are different. Which box has larger lateral surface

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

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A rectangular paper of width 14 cm is rolled along its width and a cylinder of radius 20 cm is formed. Find the volume of the cylinder (Fig 11.45)? (Take `22/7` for

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

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Find the value of

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

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Simplify and express the result in power notation with positive exponent. `2^(– 3) xx (–7)^(–

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

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Evaluate

asked Jan 17, 2022 in 8th-maths by nishit (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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How many vertices does each of the following solids have? (a) Cone (b) Cylinder (c) Sphere (d) Octagonal Pyramid (e) Tetrahedron (f) Hexagonal

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

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Area of a rectangle with length 4ab and breadth `6b^2`

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

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Coefficient of y in the term `3/(−y)`

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

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An equation is true for all values of its

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

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Using suitable identities, evaluate the following. `10.1 xx

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

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Write the greatest common factor in each of the following terms. `13x^2y,

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

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