In diagram, PQ || ST and < PQR = 120o, < RST = 130o...
In diagram, PQ || ST and < PQR = 120o, < RST = 130o, find the angle marked x
50
65
70
80
Correct answer is C
x + 60o + 50o = 180o
x = 110o = 180o
x = 180o - 110o
= 70o
Correct 0.04945 to two significant figures ...
Given that S and T are sets of real numbers such that S = {x : 0 ≤ x ≤ 5} and T = {x :...
If b = a + cp and r = ab + 12cp2, express b2 in terms of a, c, r....
If (x + 2) is a factor of x2 +px - 10, find the value of P. ...
Find the standard deviation of 5, 4, 3, 2, 1 ...
Simplify log10 a13 + 14log10 a - 112log10a7...
If cos (x + 25)o = sin 45o, find the value of x...
In the diagram, |QR| = 10cm, PR⊥QS, angle PSR = 30° and angle PQR = 45°. Calculate in m...
If a binary operation * is defined by x * y = x + 2y, find 2 * (3 * 4)...
Which of the following is true for the set P={−3.2≤x<5} where x is an integer...