exam
Maths Puzzle
Numerical Ability
How do you work substitution equations?
ex.
t=0.2s+10
4s+5t=35
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exam Other Question
Determine if the ordered pair a solution of the inequality ?
(3,12); 5y-6x>3
Help me with this please.
for what value of "a" will the two lines x+3y+2=0 and 6x+ay=0 be perpendicular?