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Find the angle θ (in radians and degrees) between the lines. (Let 0 ≤ θ <...

Find the angle θ (in radians and degrees) between the lines. (Let 0 ≤ θ < π/2 and 0 ≤ θ < 90°. Round your answers to three decimal places.)

0.02x − 0.05y = −0.23
0.01x + 0.04y = 0.52
Math   Precalculus   
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