Tell whether the points are the vertices of a parallelogram (that is not a rectangle), a rectangle, or neither.(-12, -10), (-10, 0), (3, 7), (1, -3)
A. Rectangle
B. Parallelogram
C. Neither
Answer: B
Mathematics
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The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 1 for r(t) = (9t - 3t4)i + (2 - t)j + (7t2 - 2t)k
A. a(1) = -36i - j + 14k B. a(1) = 36i + 14k C. a(1) = -9i + 14k D. a(1) = -36i + 14k
Mathematics
Find three consecutive even numbers whose sum is 60.
A. 9, 11, 13 B. 18, 20, 22 C. –18, –16, –14 D. 20, 22, 24 E. 12, 15, 18
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Multiply. Write your answer in the form a + bi.(2 - 6i)(5 + 8i)
A. 58 + 14i B. -38 - 46i C. 58 - 14i D. -48i2 - 14i + 10
Mathematics
Solve the initial value problem.
= - 
cos 
?, r(0) = -5
A. r = -sin 
? - 5
B. r = - 
sin 
? - 5
C. r = sin 
? - 5
D. r = cos 
? - 6
Mathematics