Mathematics, 12.11.2019 14:31 djgunderson
On a movie set, an archway is modeled by the equation y = -0.5x2 + 3x, where y is the height in feet and x is the horizontal distance in feet. a laser is directed at the archway at an angle modeled by the equation -0.5x + 2.42y = 7.65 such that the beam crosses the archway at points a and b. at what height from the ground are the points a and b?
1.5 feet and 3.5 feet
1.5 feet and 4 feet
3.5 feet and 4 feet
4 feet and 4 feet
Answers: 1
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How is the equation of this circle written in standard form? x2 + y2 - 6x + 14y = 142 a) (x - 3)2 + (y + 7)2 = 200 b) (x+ 3)2 + (y - 7)2 = 200 (x - 6)2 + (y + 14)2 = 142 d) (x+6)2 + (y- 14)2 = 142
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On a movie set, an archway is modeled by the equation y = -0.5x2 + 3x, where y is the height in feet...
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