Find the triple scalar product (u x v) ? w of the given vectors.u = -5i - 3j + 4k; v = 6i - 6j + 10k; w = 8i - 5j - 10k
A. -898
B. 12
C. -58
D. -922
Answer: A
Mathematics
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Solve the problem. Round to an appropriate number of significant digits.A basketball player shoots the ball with a velocity of 20.7 ft/s at an angle of 41.7° with the horizontal. To the nearest tenth, find the magnitude of the horizontal component of the resultant vector.
A. 15.5 ft/s B. 7.8 ft/s C. 13.8 ft/s D. 6.9 ft/s
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Use implicit differentiation to find the specified derivative at the given point.Find 
at the point (9, 1, -1) for ln 
- exy+z2 = 0.
A. 
B. 
C. 
D. 
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Graph the equation.x = -5 + y2
A. 
B. 
C. 
D. 
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Combine like terms.3x2 + 4x + 8x + 5x
A. 3x2 + 12x + 5 B. 480x5 C. 3x2 + 12x D. 3x2 + 17x
Mathematics