If $\begin{vmatrix}-x & 12 \\-1 & 4 \end{vmatrix} = - 12$, find x.

Similar Questions

The dimension of a rectangular base of a right pyramid is 9 cm by 5cm. If the volume of the pyr...

A cylinder pipe, made of metal is 3cm thick.If the internal radius of the pope is 10cm.Find the volu...

The shaded portion in the venn diagram is ...

If a $\ast$ b = + $\sqrt{ab}$, evaluate 2 $\ast$(12 $\ast$ 27)...

Suppose x varies inversely as y, y varies directly as the square of t and x = 1, when t = 3. Fi...

Amina had m mangoes. She ate 3 and shared the remainder equally with her brother Uche. Each had at l...

The number of goals scored by a football team in 20 matches is shown below \(\begin{array}{c|c} \te...

\(\begin{array}{c|c} Class Interval & 3 - 5 & 6 - 8 & 9 - 11 \\ \hline Frequency & 2 & 2 & 2 \end{...

If the volume of a cube is 343cm3, find the length of its side...

Two cards are drawn one after the other with replacement from a well-shuffled ordinary deck of 52 ca...