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Use a suitable identity to get each of the following products. (7a – 9b) (7a –

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

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Find the following squares by using the identities. `(6x^2 –

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

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Find the following squares by using the identities. `(2xy +

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

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Show that. `(3x + 7)^2 – 84x = (3x –

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

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Using `a^2 – b^2 = (a + b) (a – b)`, find `51^2 –

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

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Using `a^2 – b^2 = (a + b) (a – b)`, find `(1.02)^2 –

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

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

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

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Draw a map of your school compound using proper scale and symbols for various features like play ground main building, garden

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

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Draw a map giving instructions to your friend so that she reaches your house without any

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

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Is it possible to have a polyhedron with any given number of faces? (Hint: Think of a

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

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Which are prisms among the

asked Jan 17, 2022 in 8th-maths by sumit (1.6k 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 nishit (1.8k points)

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Top surface of a raised platform is in the shape of a regular octagon as shown in the figure. Find the area of the octagonal

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

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Rukhsar painted the outside of the cabinet of measure `1 m xx 2 m xx 1.5 m`. How much surface area did she cover if she painted all except the bottom of the

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

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A milk tank is in the form of cylinder whose radius is 1.5 m and length is 7 m. Find the quantity of milk in litres that can be stored in the

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

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

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Simplify `2^5 ÷ 2^(– 6)`

asked Jan 17, 2022 in 8th-maths by Simran (1.8k 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 sumit (1.6k points)

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Express the following numbers in standard form. 6020000000000000

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

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Express the following numbers in usual form. `1.0001 xx

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

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