exam
Maths Puzzle
Numerical Ability
Please help to solve
One solution was 10% alcohol and the other was 30% alcohol. HOw much of each should be used to get 200 gallons of a solution that is 17% alcohol?
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exam Other Question
Find an equation in standard from for each line that satisfies the given conditions.
Parallel to the x-axis and passes through (-1,3)
i need help with the following questions
1. In the equation of the ellipse 25x^2+9y^2-150x-90y+225=0, e=______?
2. The length of the latus rectum of 25x^2+9y^2-150x-90y+225