Mathematics, 14.01.2020 04:31 torrencek1
Afountain on a lake sprays water in a parabolic arch modeled by the equation y = −0.4x2 + 3x, where y is the height in feet and x is the horizontal distance. a beam of light is passed through the fountain to create a rainbow effect. if the beam is directed at an angle modeled by the equation -2.2x + 4.9y = 8.18, at what distance from the ground will the beam first touch the water spray?
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Afountain on a lake sprays water in a parabolic arch modeled by the equation y = −0.4x2 + 3x, where...
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