1
\(\frac{1}{2}\)
\(-\frac{}{}\)
-1
Correct answer is A
\((x+3) \propto y\\
∴x + 3 = ky\hspace{1mm}when\hspace{1mm}x = 3, y = 12\\
3+3 = 12k\\
∴ k = \frac{1}{2}\\
\Longrightarrow x + 3 = \frac{1}{2}y\) to find x when y = 8
\(x + 3 = \frac{1}{2}\times 8\\
x=4-3\\
x = 1\)
If sin\( \theta \) = K find tan\(\theta\), 0° \(\leq\) \(\theta\) \(\leq\) 90°. ...
After getting a rise of 15%, a man's new monthly salary is N345. How much per month did he earn ...
If a{\(\frac{x + 1}{x - 2} - \frac{x - 1}{x + 2}\)} = 6x. Find a in its simplest form...
The sum of the interior angles of regular polygon is 1800o. How many sides has the polygon?...
If O is the centre of the circle, < POS equls ...
Find the value of x for \(\frac{2 + 2x}{3} - 2 \geq \frac{4x - 6}{5}\)...
If y = 2x3 + 6x2 + 6x + 1, Find \(\frac{dy}{dx}\)...
If \(\frac{2}{x - 3} - \frac{3}{x - 2}\) is equal to \(\frac{p}{(x - 3)(x - 2)}\), find p...