book
Maths Puzzle
Numerical Ability
Use Cramers rule to solve the equation
4x+8y=12
3x+6y=9
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book Other Question
The access ramp to an expressway is 850 feet long. The measure of the angle of elevation is 4 degrees.About how long is the expressway from the horizontal at the beginning of the ramp?
Perform all indicated operations and write each answer with positive intgers exponents.
-1
(m + n)
____________
-2 -2
m - n