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In a town, an ice cream parlour has displayed an ice cream sculpture of height 360 cm. The parlour claims that these ice creams and the sculpture are in the scale 1:30. What is the height of the ice creams

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

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Find the expansion of the following using suitable identity.(i) (3x + 7y) (3x – 7y) (ii)

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

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Factorise the following. (i) `21x^2y^3 + 27x^3y^2` (ii) `a^3 – 4a^2 + 12 –

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

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Factorise the following. (i)4x^2 – 20x + 25 (ii) `(y^2/9-9)` (iii) `x^4 –

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

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Evaluate using suitable identities.(i) `(48)^2` (ii) `181^2 – 19^2` (iii) `497 xx 505` (iv) `2.07 xx

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

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The area of a rectangle is `x^2 + 12xy + 27y^2` and its length is (x + 9y). Find the breadth of the

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

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Divide 15 `(y + 3) (y^2 – 16) by 5 (y^2 – y –

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

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By using suitable identity, evaluate `x^2+1/x^2`, if

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

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Find the value of `(38^2-22^2)/16`, using a suitable identitysss

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

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Find the value of x, if `10000x = (9982)^2 – (18)^2`sss

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

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Factorise the following expressions. `6ab +

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

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Factorise the following expressions. `–xy –

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

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Factorise the following expressions. `ax^3 – bx^2 +

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

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Factorise the following expressions. `l2m^2n – lm^2n^2–

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

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Factorise the following expressions. `3pqr –6p^2q^2r^2 –

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

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Factorise the following expressions. `x^3y^2 + x^2y^3 – xy^4 +

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

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Factorise the following expressions. `4xy^2 – 10x^2y + 16x^2y^2 +

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

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Factorise the following expressions. `2a^3 – 3a^2b + 5ab^2 –

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

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Factorise the following expressions. `63p^2q^2r^2s – 9pq^2r^2s^2 + 15p^2qr^2s^2 –

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

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Factorise the following expressions. `24x^2yz^3 – 6xy^3z^2 + 15x^2y^2z –

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

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