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Find the value of k if the angle between the lines 2x+y+1=0 and x+ky=19 is 45°
Answers: 3
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Quadrilateral wxyz is on a coordinate plane. segment yz is on the line x+y=7 and segment xw is on the line x+y=3. which statement proves how segments yz and xw are related
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Find the value of k if the angle between the lines 2x+y+1=0 and x+ky=19 is 45°...
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