Simplify.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Write the equation for the plane.The plane through the point A(5, 5, 9) perpendicular to the vector from the origin to A.
A. 5x + 5y + 9z = 131
B. 5x + 5y + 9z = 19
C. 5x + 5y + 9z = 
D. 5x + 5y + 9z = -131
Mathematics
FInd the tangential and normal components of the acceleration.r(t) = (t - 7)i + (ln(sec t) - 1)j + 2k, -?/2 < t < ?/2
A. a = (cos t)T + (cos t)N B. a = (csc t)T + (sec t)N C. a = (sec t tan t)T + (sec t)N D. a = (sec2 t)T + (cos t)N
Mathematics
Simplify.-(y - 3z)
A. -y + 3z B. y - 3z C. -y - 3z D. y + 3z
Mathematics
Write an equation in standard form for a line passing through the pair of points.(-4, -6) and (0, -9)
A. 2x + 9y = -81 B. -3x - 4y = 36 C. 3x - 4y = 36 D. -2x - 9y = -81
Mathematics