Please select a subject first
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Give an example and verify the following statement.
Distributive property of multiplication over subtraction is true for rational numbers. That is, a(b – c) = ab – ac
Concept: undefined >> undefined
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(a – b) = 3 and ab = 5 then a3 – b3 = __________
Concept: undefined >> undefined
Factorise : 3x3 – 45x2y + 225xy2 – 375y3
Concept: undefined >> undefined
Construct the following quadrilaterals with the given measurements and also find their area.
AGRI, AG = 4.5 cm, GR = 3.8 cm, ∠A = 60°, ∠G = 110° and ∠R = 90°
Concept: undefined >> undefined
Verify the identity property for addition and multiplication for the rational numbers `15/19` and `(-18)/25`
Concept: undefined >> undefined
If x2 – y2 = 16 and (x + y) = 8 then (x – y) is ___________
Concept: undefined >> undefined
Factorise the following expressions
c2 – 4c – 12
Concept: undefined >> undefined
The factors of x2 – 5x + 6 are (x – 2)(x – p) then the value of p is ______.
Concept: undefined >> undefined
Construct the following trapeziums with the given measures and also find their area.
AIMS with `bar("AI") || bar("SM")`, = 6 cm, IM = 5 cm, AM = 9 cm and MS = 6.5 cm
Concept: undefined >> undefined
The value of m in the equation 8m = 56 is ________
Concept: undefined >> undefined
The value of p in the equation `(2"p")/3` = 10 is ________
Concept: undefined >> undefined
Match the following :
| Column A | Column B |
| (a) `x/2` = 10 | (i) x = 4 |
| (b) 20 = 6x − 4 | (ii) x = 1 |
| (c) 2x − 5 = 3 − x | (iii) x = 20 |
| (d) 7x − 4 − 8x = 20 | (iv) x = `8/3` |
| (e) `4/11 - x = (-7)/11` | (v) x = −24 |
Concept: undefined >> undefined
Construct the following trapeziums with the given measures and also find their area.
CUTE with `bar("CU") || bar("ET")`, CU = 7 cm, ∠UCE = 80° CE = 6 cm and TE = 5 cm
Concept: undefined >> undefined
The ones digit in the square of 77 is ___________
Concept: undefined >> undefined
