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Maths Puzzle
Numerical Ability
Why do mathmagicians use the letter m for slope in the function y=mx+b?
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book Other Question
Two fractions are inserted between 1/4 and 1/2 so that the diffrence between any two successive fractions is the same. Find the sum of the four fractions.
if line a has a slope of -3/8 then what is the slope of a line perpendicular to a?
i got 8/3
is that right? thanks!