exam
Maths Puzzle
Numerical Ability
Use Cramer's rule to solve the following system of equations. If D=0, use another method to solve.
2x/3-5y/2=3/2
-x/4+5y/2=7/2
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exam Other Question
The distance traveled at a constant speed varies directly as the time traveled. Denny traveled 312 miles in 6 hours. How far will he traveled in 4 1/2 hours?
Find all solutions to the equation.
r(squared)-8t=-15