maths multiple choice

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Mathematics

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hat is one of the three pairs of polar coordinates for the point (5, 210°) with –360° < Θ ≤ 360°?

1. (5, 150°)
2. (–5, 150°)
3. (–5, –150°)
4. (5, –150°)

Solve the triangle for the unknown parts. a = 48, B = 50°, C = 62°, c = ____

1. 109
2. 46
3. 50
4. 24

The horizontal and vertical components of a vector are 20 feet and 15 feet respectively. Find the magnitudes of the resultant vector and the angle that it forms with the horizontal. What is the magnitude?

1. 40 feet
2. 35 feet
3. 25 feet
4. 5 feet

Transform from polar coordinates to rectangular coordinates: ( , 45°)

1. (1, −1)
2. ( , )
3. (1, 1)
4. (−1, −1)

Use logarithms to evaluate

1. .00342
2. .000342
3. .00104
4. .0104

. What i

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