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December 20, 2014

December 20, 2014

Posted by **Anonymous** on Tuesday, May 10, 2011 at 11:37am.

- CALCULUS -
**drwls**, Tuesday, May 10, 2011 at 11:57amy = 0.5x + 6 makes an angle

arctan 0.5 = 26.57 degrees with the x axis. It slopes upward.

y = -.75x -1 makes and angle arctan -0.75 = -36.87 degrees with the x axis (It slopes downward)

The sum of those two angles is the acute angle between them. 63.44 degrees.

Round it to 63 degrees.

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