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Find the square roots of the following numbers by the Prime Factorisation Method. 529

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

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Find the square root of

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

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

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

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The list price of a frock is Rs 220. A discount of 20% is announced on sales. What is the amount of discount on it and its sale

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

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Identify the terms, their coefficients for each of the following expressions. `1 + x +

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

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Expand the following, using suitable identities.

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

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Using suitable identities, evaluate the following.

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

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Factorise the following using the identity `a^2 – b^2 = (a + b) (a – b)`.

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

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Factorise the following using the identity `a^2 – b^2 = (a + b) (a – b)`.

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

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Use the properties of exponents to verify that each statement is true. (a) `1/4(2^n) = 2^(n-2)` (b) `4(n-1) = 1/4(4)^n` (c) `25(5^(n–2)) =

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

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Two machines can be hooked together. When something is sent through this hook up, the output from the first machine becomes the input for the second. (a) Which two machines hooked together do the same work a `( xx 10^2)` machine does? Is there more than one arrangement of two machines that will work? (b) Which stretching machine does the same work as two `(xx 2)` machines hooked together?

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

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Sanchay put a 1cm stick of gum through a `(1 xx 3^(–2))` machine. How long was the stick when it came

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

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The diameter of the Sun is `1.4 xx 10^9` m and the diameter of the Earth is `1.2756 xx 10^7` m. Compare their diameters by

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

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In Delhi University, in the year 2009 – 10, 49,000 seats were available for admission to various courses at graduation level. Out of these 28,200 seats were for the students of General Category while 7,400 seats were reserved for SC and 3,700 seats for ST. Find the per centage of seats available for

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

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If principal = Rs 1,00,000. rate of interest = 10% compounded half yearly. Find Amount after one

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

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For an amount, explain why, a 20% increase followed by a 20% decrease is less than the original

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

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A real estate agent receives Rs 50,000 as commission, which is 4% of the selling price. At what price does the agent sell the

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

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Two quantities are said to vary ______ with each other if they increase (decrease) together in such a manner that the ratio of their corresponding values remains

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

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If x varies inversely as y and x = 20 when y = 600, find y when x =

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

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