Find the curvature of the curve r(t).r(t) = (7 + 7 cos 6t) i - (1 + 7 sin 6t)j + 9k
A. ? = 
B. ? = 
C. ? = 7
D. ? = 
Answer: A
Mathematics
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Give a geometric description of the set of points whose coordinates satisfy the given conditions. x2 + y2 + z2 > 25
A. All points in space B. All points outside the cylinder with radius 5 C. All points on the surface of the cylinder with radius 5 D. All points outside the sphere of radius 5
Mathematics
Find the volume of the solid. Round to two decimal places when necessary.Right prism
A. 16,928 in3 B. 2944 in3 C. 368 in3 D. 46 in3
Mathematics
Find the slope and y-intercept of the line.-x + 2y = 8
A. slope = 2; y-intercept = -8
B. slope = -1; y-intercept = 8
C. slope = - 
; y-intercept = 4
D. slope = 
; y-intercept = 4
Mathematics
Solve the equation.
5x + 3 = 9x - 4
A. 
B. 
C. 
D. 
Mathematics