College Algebra : 'Together and Alone' Word Problems, Simplifying Complex Expressions (5 Problems)
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30. Assume that Joe take 6 hours working alone and Sam takes 8 hours working alone, how long does it take the, to do it together?
54. (1 +3i) (2-5i)
64. i(3-4i) (6+4i)
84. 14 + 5i divided by 3 +2i
94. 5 divided by 9i
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Solution Summary
A 'Together and Alone' word problem is solved. Complex expressions (5 Problems) are simplified.
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