Evaluate the expression 25 - 2 + 2.
Evaluate the expression 25 - 2 + 2. => 25 or 29 or 27 or 23..
Which of the expressions is/are equal to 25?
Which of the expressions is/are equal to 25? => (5 2 ) 2 ÷ (6 2 - 11) or 5 2 ÷ (6 2 - 11) or (6 2 - 11) or Both A and C..
Type (ii) By expressing the polynomial as the difference of two squares
121x 2 - 25y 2 = (11x) 2 - (5y) 2 = (11x + 5y) (11x - 5y) [Using the identity a 2 -b 2 =(a-b)(a+b)] Factorise: (5a + 6b) 2 - 49b 2 Let x = 5a + 6b Then the given expression = (x) 2h..
121x 2 - 25y 2 = (11x) 2 - (5y) 2 = (11x + 5y) (11x - 5y) [Using the identity a 2 -b 2 =(a-b)(a+b)] Factorise: (5a + 6b) 2 - 49b 2 Let x = 5a + 6b Then the given expression = (x) 2h..The radius of Uranus is about 25,560 km. Express 25,560 in scientific ..
The radius of Uranus is about 25,560 km. Express 25,560 in scientific notation. => 2.556 × 10 -4 or 2.556 × 10 4 or 0.2556 × 10 6 or 2.556 × 10 3..
Expression for Pressure
1 and A 2 = L. Thus, the time taken by the molecule to go from A 1 to The molecule rebounds from A 2 , travels towards A 1 and collides with it after another time interval Thus, the time between two consecutive collisions of this molecule with A 1 is The num..
1 and A 2 = L. Thus, the time taken by the molecule to go from A 1 to The molecule rebounds from A 2 , travels towards A 1 and collides with it after another time interval Thus, the time between two consecutive collisions of this molecule with A 1 is The num..Estimate the product of 2.25 and 25.
Estimate the product of 2.25 and 25. => 56 or 60 or 50 or 70..
Simplify the expression. (2 × 3)2
Simplify the expression. (2 × 3) 2 => 36 or 41 or 25 or 37..
Evaluate the expression |2|.
Evaluate the expression |2|. => - 2 or 0 or 2 or 1..
Which of the following represents the expression, [(9d + 2)/(5)] &time..
Which of the following represents the expression, [(9 d + 2)/(5)] × [(25)/(45 d + 10)], in its simplest form? => 1/(10 d ) or (9 d ) or 1 or 1/(9 d )..
Evaluate the expression (A - B)2 (A + B)2, for A = 4 and B = 3.
Evaluate the expression (A - B) 2 (A + B) 2 , for A = 4 and B = 3. => 36 or 25 or 64 or 49..
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