Solve the problem.A force of magnitude 6 pounds pulling on a suitcase makes an angle of 30° with the ground. Express the force in terms of its i and j components.
A. 0.8660i + + 0.5000j
B. 3.000i + 5.196j
C. 5.196i + 3.000 j
D. 0.9255i - 5.928j
Answer: C
Mathematics
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Factor completely.125c3 + 27
A. (125c + 3)(c2 - 15c + 9) B. (5c - 3)(25c2 + 15c + 9) C. (5c + 3)(25c2 + 9) D. (5c + 3)(25c2 - 15c + 9)
Mathematics
Factor by grouping.15x2 + 16x + 4
A. (3x + 2)(5x + 2) B. (15x + 2)(x + 2) C. 15x2 + 16x + 4 D. (3x - 2)(5x - 2)
Mathematics
Write the number as a product of a real number and i. Simplify the radical expression.
A. -i
B. 13i
C. ± 13
D. -13i
Mathematics
Multiply.(10 - 3i)2
A. 109 - 60i B. 100 - 69i C. 91 - 60i D. 100 - 51i
Mathematics