exam Maths Puzzle Numerical Ability

Solve each of the following systems by using either addition or substitution. If a unique solution
does not exist, state whether the system is dependent or inconsistent.

10x +

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exam Other Question

Two rectangles have the same width. The length if one is 1 foor longer than the width. The length of the other is 2 feet longer than the width. The larger rectangle has 4 more square feet than the smaller. What is the width of the rectangles? Use the fundamental identities to write the expression in terms of a single trigonometric function.

(cscx/sexc - tanx) - (cscx/secx + tanx)