exam
Maths Puzzle
Numerical Ability
Translate the following statement into an algebraic equation. Let x represent the number. 7 less than 10 times a number is 9 times that same number.
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Can you please help me solve this problem...instructions...determine which two equations represent perpendicular lines.
(a)y=4/9x-3
(b)y=3x-4/9
(c)y=-1/3x+4/9
(d)y=1/3x-4/9
The organizers of a walkathon get cost estimates from two printing companies to print brochures to advertise the event. The costs are given by the equations below, where C is the c