A: "gain" should be replaced with D: "existence" to indicate that carbon markets came into existence, not gain. D: "existence" should be replaced with A: "gain" to fit the context of the sentence. The correct answer is A-D.
I). p2 - 26p + 165 = 0
II). q2 + 8q - 153 = 0
I. 6y2 – 23y + 20 = 0
II. 4x2 – 24 x + 35 = 0
I. x2 – 13x + 40 = 0
II. 2y2 – 15y + 13 = 0
I. 2 x ² + x – 1 = 0
II. 2 y ² - 3 y + 1 = 0
...I. 15/(√x)+9/(√x)=11√x
II. (√y)/4 + (5√y)/12 = 1/(√y)
I. 8a2 – 22a+ 15 = 0
II. 12b2 - 47b + 40=0
I. 10x² - 11x + 3 = 0
II. 42y² - 23y – 10 = 0
A and B are the roots of equation x2 - 13x + k = 0. If A - B = 5, what is the value of k?
I. 84x² - 167x - 55 = 0
II. 247y² + 210y + 27 = 0
Solve the quadratic equations and determine the relation between x and y:
Equation 1: 3x2 + 6√7x - 315 = 0
E...