Write the imaginary numbers using the letter i.
A. ±50
B. 50i
C. 
i
D. -50i
Answer: B
Mathematics
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Graph.y = 2x2 + 8x + 10
A. 
B. 
C. 
D. 
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Use the even-odd identities to find the exact value of the expression. cos (-30°)
A. - 
B. - 
C. 
D. 
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Graph the given inequality.x ? 0
A. 
B. 
C. 
D. 
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Find the work done in the given situation.A constant force F = -29i + 12j moves an object along a vector D = -14i - 13j, where units are in pounds and feet.
A. 562 foot-pounds B. -562 foot-pounds C. 599.6 foot-pounds D. 250 foot-pounds
Mathematics