exam
Maths Puzzle
Numerical Ability
determine the perpindicular distance between
a. the parellel planes: x+2y+3z+6=0 and x+2y+3z-6=0
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exam Other Question
Please help me find the volume, to the nearest tenth, of a pyramid that is 6 feet tall and whose base is an equilateral triangle with sides each 10 feet long?
When there is only 2 I have no trouble but when 3 or more is added I get all messed up.
Solve each of the following systems of linear inequalities graphically.
3x-y<=6
x>=1
y<=3