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Using Identity (III), find

asked Jan 18, 2022 in 8th-maths by uday (1.6k points)

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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 by nikhil (1.8k points)

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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 by sumit (1.6k points)

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Express the following numbers in standard form. 6020000000000000

asked Jan 18, 2022 in 8th-maths by sumit (1.6k points)

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Express the number appearing in the following statements in standard form. 1 micron is equal to `1/(1000000)`

asked Jan 18, 2022 in 8th-maths by uday (1.6k points)

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15(y – 4) –2(y – 9) + 5(y + 6) =

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

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Name the quadrilaterals whose diagonals. are

asked Jan 17, 2022 in 8th-maths by krutika (1.7k 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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Can a polyhedron have for its faces 4

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

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Let a, b, c be the three rational numbers where `a=2/3`, `b=4/5` and `c= -5/6` Verify: a + (b + c) = (a + b) +c (Associative property of

asked Jan 18, 2022 in 8th-maths by nikhil (1.8k points)

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The negative of 1 is

asked Jan 18, 2022 in 8th-maths by nishit (1.8k points)

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The negative of a negative rational number is always a ________ rational

asked Jan 18, 2022 in 8th-maths by nikhil (1.8k points)

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Verify the property `x xx (y + z) = x xx y + x xx z` of rational numbers by taking. x = `(-1)/2`, y = `2/3` and z =

asked Jan 18, 2022 in 8th-maths by yogita (1.8k points)

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Following is a pie chart showing the amount spent in rupees (in thousands) by a company on various modes of advertising for a product. Now answer the following questions. Which type of media advertising is the least amount of the

asked Jan 18, 2022 in 8th-maths by krutika (1.7k points)

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Value of S in `1/3 + S =

asked Jan 18, 2022 in 8th-maths by vaibhav (1.7k points)

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A and B are together 90 years old. Five years ago A was thrice as old as B was. Hence,the ages of A and B five years back would be (x – 5)years and (85– x) years

asked Jan 18, 2022 in 8th-maths by vaibhav (1.7k points)

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To construct a unique rectangle, the minimum number of measurements required

asked Jan 18, 2022 in 8th-maths by vaibhav (1.7k points)

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Look at the shapes given below and state which of these are polyhedra using Euler’s formula.

asked Jan 18, 2022 in 8th-maths by nishit (1.8k points)

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Find the value of a, if `9a = 76^2 –

asked Jan 18, 2022 in 8th-maths by purvi (1.8k points)

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Long back in ancient times, a farmer saved the life of a king’s daughter. The king decided to reward the farmer with whatever he wished. The farmer, who was a chess champion, made an unusal request: “I would like you to place 1 rupee on the first square of my chessboard, 2 rupees on the second square, 4 on the third square, 8 on the fourth square, and so on, until you have covered all 64 squares. Each square should have twice as many rupees as the previous square.” The king thought this to be too less and asked the

asked Jan 18, 2022 in 8th-maths by nikhil (1.8k points)

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