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A rational number is such that when you multiply it by `5/2` and add `2/3` to the product, you get `-7/12`. What is the

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

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I have a total of Rs 300 in coins of denomination Re 1, Rs 2 and Rs 5. The number of Rs 2 coins is 3 times the number of Rs 5 coins. The total number of coins is 160. How many coins of each denomination are with

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

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Examine the table. (Each figure is divided into triangles and the sum of the angles deduced from that.) What can you say about the angle sum of a convex polygon with number of sides?

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

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Examine the table. (Each figure is divided into triangles and the sum of the angles deduced from that.) What can you say about the angle sum of a convex polygon with number of sides?

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

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How many sides does a regular polygon have if the measure of an exterior angle is

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

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In Fig 3.26, BEST is a parallelogram. Find the values x, y and z.

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

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

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

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Find the product. (5 – 2x) (3 + x)

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

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Can a polyhedron have for its faces a square and four

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

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Using Euler’s formula find the

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

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Find the height of a cylinder whose radius is 7 cm and the total surface area is 968

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

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A farmer has enough food to feed 20 animals in his cattle for 6 days. How long would the food last if there were 10 more animals in his

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

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Solve the following:(i) `100^(–10)` (ii) `2^(–2) xx 2^(–3)` (iii) `(1/2)^(-2) -:

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

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Investigating Solar System The table shows the average distance from each planet in our solar system to the sun. (a) Complete the table by expressing the distance from each planet to the Sun in scientific

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

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Music CD originally priced at Rs 120 is on sale for 25% off. What is the S.P.? Sonia and Rahul have different ways of calculating the sale price for the items they bought. As you work on the next problem, try both of these methods to see which you

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

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A sugar factory has annual sales of 3 billion 720 million kilograms of sugar. Express this number in the standard

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

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Find x so that `(2/9)^3 xx (2/9)^(-6) =

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

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Planet A is at a distance of `9.35 xx 10^6` km from Earth and planet B is `6.27 xx 10^7` km from Earth. Which planet is nearer to

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

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Factorise the expressions and divide them as directed: `(x^4 – 16) -: x^3 + 2x^2 + 4x +

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

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The base of a parallelogram is (2x + 3 units) and the corresponding height is (2x – 3 units). Find the area of the parallelogram in terms of x. What will be the area of parallelogram of x = 30

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

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