exam
Maths Puzzle
Numerical Ability
-5x(x + 2y - 7)
Read Solution (Total 0)
exam Other Question
In two dimensions, the determinant of an ordered group of numbers a, b, c, and d is defined as: ad - bc. Compute the determinant when a, b, c, and d equal 3, -2, 9 and 4 respectively.
A sector of a circle is enclosed by two 12.0 inch radii and a 9.0 inch arc. Its perimeter is therefore 33.0 inches. What is the area of this sector, to the nearest tenth of a squar