Question
(18.22) 2.02 + (13.89) 2.12 –
(44.88) 2.07 = ? – 1604.85 What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)ÂSolution
ATQ, (18.22) 2.02 + (13.89) 2.12 – (44.88) 2.07 = ? – 1604.85 (18)2 + (14)2 – (45)2 ~ ? – 1605 324 + 196 – 2025 ~ ? – 1605 2125 – 2025 ~ ? ? ~ 100
I. x²= 961Â
II. y= √961
Solve the quadratic equations and determine the relation between x and y:
Equation 1: 29x² - 137x + 108 = 0
Equation 2: 31y² - 146y + ...
I. 2p2 - 3p – 2 = 0 II. 2q2 - 11q + 15 = 0
I.√(3x-17)+ x=15
II. y + 135/y=24
Equation 1: x² - 200x + 9600 = 0
Equation 2: y² - 190y + 9025 = 0
I. 5x2 – 7x – 6 =0
II. 2y2 – 5y – 7 =0
I. 35x² - 24x – 35 = 0
II. 72y² - 145y + 72 = 0
Solve the quadratic equations and determine the relation between x and y:
Equation 1: x² - 40x + 375 = 0
Equation 2: y² - 36y + 324 = 0
What is the speed of the stream if a ship takes 15 hours to travel 240 km in calm waters, given that the ratio of its speed against the current to its s...
I. 7x² + 27x + 18 = 0
II. 19y² - 27y + 8 = 0
