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Find the sum of the given vectors. {image}

1. 2. 3. 4. Find the sum of the given vectors. {image}. {image} {image} {image} {image}. Find 7a + 4b . a = 7i - 6j , b = 6i + 3j. 73i - 30j 75i + 30j 73i + 30j 74i - 30j 74i - 29j. 1. 2. 3. 4. Find a unit vector with the same direction as 3i - 5j + 2k. {image} 3i - j + k

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Find the sum of the given vectors. {image}

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  1. 1. 2. 3. 4. Find the sum of the given vectors. {image} • {image} • {image} • {image} • {image}

  2. Find 7a + 4b . a = 7i - 6j , b = 6i + 3j • 73i - 30j • 75i + 30j • 73i + 30j • 74i - 30j • 74i - 29j

  3. 1. 2. 3. 4. Find a unit vector with the same direction as 3i - 5j + 2k. • {image} • 3i - j + k • {image} • i - j + k

  4. A woman walks due west on the deck of a ship at 2 mi/h. The ship is moving north at a speed of 25 mi/h. Find the speed of the woman relative to the surface of the water. Round the result to the nearest tenth. • 26.2 mi/h • 25 mi/h • 27.1 mi/h • 23.1 mi/h • 25.1 mi/h

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