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Maths Puzzle
Percentage
If a vehicle was purchased for $12590.00, which was 20% off the original price, what was the original price?
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Book Other Question
mrs jones invested $18,000.00 into two accounts. one account pays 6% simple interest and the other pays 8%. her total interest for the year was $1290.00. how much did she have in e
The equation ax^2 + bx + c = 0 can be solved using fromula method and this is a quadratic in x. my question is how to make x as subject in the equation
y= (4/x^2) + (5x + 8/x^2)