Find an equation of the line containing the given pair of points(-7, -41) and (2, 4)
A. y = - 
x - 
B. y = 5x - 6
C. y = 
x - 
D. y = -5x - 76
Answer: B
Mathematics
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FInd the tangential and normal components of the acceleration.r(t) = (t - 7)i + (ln(sec t) - 7)j + 9k, -?/2 < t < ?/2
A. a = (sec t tan t)T + (sec t)N B. a = (csc t)T + (sec t)N C. a = (sec2 t)T + (cos t)N D. a = (cos t)T + (cos t)N
Mathematics
Indicate whether the graph of the equation is a parabola, circle, ellipse, or hyperbola.4y2 = 100 + 4x2
A. ellipse B. circle C. parabola D. hyperbola
Mathematics
Find the point of intersection of the tangent lines to the curve r(t) = (sin ?t, 7 sin ?t, cos ?t), at the points where t = 0 and t = 0.5.
What will be an ideal response?
Mathematics
Find the weighted mean. Round to the nearest tenth.
A. 285.6 B. 321.3 C. 91.1 D. 247.3
Mathematics