SOLUTION: The number of mosquitoes M(x) in millions, in a certain area depends on the June rainfall x, in inches: M(x)=19x-x^2. What rainfall amounts produce 19 million mosquitos? Please

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: The number of mosquitoes M(x) in millions, in a certain area depends on the June rainfall x, in inches: M(x)=19x-x^2. What rainfall amounts produce 19 million mosquitos? Please       Log On


   



Question 1153321: The number of mosquitoes M(x) in millions, in a certain area depends on the June rainfall x, in inches: M(x)=19x-x^2. What rainfall amounts produce 19 million mosquitos?
Please help me set up the equation and steps. Thank you!

Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
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M(x)=19x-x^2. What rainfall amounts produce 19 million mosquitos?
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M%28x%29=19%2Amillion

Substitute, and solve for x.