The bearing of Y from X is 085º. What is the bearing of X from Y?
005°
095°
185°
265°
275°
Correct answer is D
The bearing of Y from X is 085º lies within 90º
The bearing of X from Y lies within 270º
: 180º + 85º = 265º
The roots of a quadratic equation in x, are -m and 2n. Fine equation.
x2 - x(2n-m) – 2mn = 0
x2 + x(2n - m) - 2mn = 0
x2 + x(m - 2n) + 2mn = 0
X2 + x (m + 2n ) + 2mn = 0
x2 - x (m - 2n) - 2mn = 0
Correct answer is A
No explanation has been provided for this answer.
Evaluate (Log13 - log5) ÷ X(log5-log13) without using tables
X
–x
X-1
–X-1
-1
Correct answer is D
No explanation has been provided for this answer.
6.00%
6.20%
6.30%
6.60%
6.70%
Correct answer is C
No explanation has been provided for this answer.
What must be added to b2-3ab to make it a perfect square?
-3a
-\(\frac{3}{2}\)
\(\frac{9}{4}\)
\(\frac{9a}{4}\)
\(\frac{9^2}{4}\)
Correct answer is E
No explanation has been provided for this answer.