exam
Maths Puzzle
Numerical Ability
how do you do operations and unit analysis problems?
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exam Other Question
In a triangle ABC,angle B is 3 times angle A and angle C is 19 degrees less than 6 times angle A. Find the size of the angles.
can you please check this for me? I have to solve by using the quadratic formula.
5x^2+x+10=0
a=5
b=1
c=10
b^2-4ac=1^2-4*5*10=-199
-199 is less than 0 so no solution is defined