Use the given vectors to find the specified scalar.u = -10i - 5j, v = -10i + 5j, w = 3i - 4j; Find u ? (v + w).
A. 65
B. 75
C. 25
D. -10
Answer: A
Mathematics
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Simplify the expression log 5 175.
a. 
b. 
c. 7
d. 
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Set up an integral for the length of the curve.y = 4 cos x, 0 ? x ? ?
A. 
B. 
C. 
D. 
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Graph.(x - 3)2 + (y - 1)2 = 25
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.
A V-slot forms a triangle whose angle at the vertex is 60°. The depth of the slot is 24 mm. Find the width of the V-slot. 
A. 12 mm B. 24 mm C. 13.9 mm D. 27.7 mm
Mathematics