exam
Maths Puzzle
Numerical Ability
I am having troubles with solving equations with logs.... this is the one im stuck on, 4^1-2x=32 (Four to the power of 1 minus 2x equals 32)
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exam Other Question
Find k so that the line through (4,-1) and (k,2) is
a. parallel to 2x + 3y = 6
b. perpendicular to 5x - 2y = -1
the sum of two numbers is 90. The larger number is twice he smaller number. What are the two numbers?