Let v and w be two vectors in the plane with given magnitudes. The angle between v and w is ?. Find the expression. Round the answer to the nearest tenth.
= 14, 
= 8, ? = 62°
Find 
A. 12.4
B. 16.1
C. 19.1
D. -83.2
Answer: A
Mathematics
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Solve the equation by multiplying by a power of 10.1.4q - 6.3q + 1.2 = -42.9
A. {7.2} B. {7.0} C. {-49} D. {9}
Mathematics
Determine whether the equation is linear.16x + 2y = 31
A. Linear B. Not Linear
Mathematics
Add or subtract. Simplify your answer to lowest terms.
+ 
A. 3
B. 
C. 
D. 
Mathematics
Solve the problem.The resistance of a wire varies directly as the length of the wire and inversely as the square of the diameter of the wire. A 20 foot length of wire with a diameter of 
has a resistance of 
What would the resistance be for a 
length, with diameter 
of the same kind of wire ?
A. 16.95 ohms B. -2.05 ohms C. 2.45 ohms D. 4.95 ohms
Mathematics