t
-t
2
-2
Correct answer is C
Mean x = ∑xn
= [(2 - t) + (4 + t) + (3 - 2t) + (2 + t) + (t - 1)] ÷ 5
= [11 - 1 + 3t - 3t] ÷ 5
= 10 ÷ 5
= 2
Solve the inequalities -6 ≤ 4 - 2x < 5 - x...
In the diagram above, l1 is parallel to l2, Find the value of < PMT...
Given that x = 2 and y = -14, evaluate x2y−2xy5...
Solve the simultaneous equations 2x−3y = 2, \(\frac{4}{x} + {\frac{3}{y}}\...
P={2, 1,3, 9, 1/2}; Q = {1,21/2,3, 7} and R = {5, 4, 21/2}. Find P∪Q∪R ...
In the diagram, |SR| = |QR|. < SRP = 65o and < RPQ = 48o, find < PRQ...
If cos (x + 25)o = sin 45o, find the value of x...
Solve the equation 2a2 - 3a - 27 = 0...
Find the gradient of the line joining the points (3, 2) and (1, 4) ...