Solve.Write the equivalent decimal and fraction for 500%.
A. 5, 5
B. 500, 500
C. 0.05, 
D. 0.5, 
Answer: A
Mathematics
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If r(t) is the position vector of a particle in the plane at time t, find the indicated vector.Find the acceleration vector.r(t) = (cos 2t)i + (4 sin t)j
A. a = (-4 cos 2t)i + (-4 sin t)j B. a = (-4 cos 2t)i + (-16 sin t)j C. a = (-2 cos 2t)i + (4 sin t)j D. a = (4 cos 2t)i + (-4 sin t)j
Mathematics
Find an equivalent equation in rectangular coordinates.r(cos ? - sin ?) = 3
A. x - y = 9
B. x - y = 3
C. 
(x - y) = 3
D. x + y = 3
Mathematics
Write the augmented matrix for the system. Do not solve the system. 7x + 3z - 2 = 0 2y + 6z - 20 = 0 3x + 9y + 2z - 12 = 0
A. 
B. 
C. 
D. 
Mathematics
Evaluate.32 + 24
A. 14 B. 22 C. 25 D. 17
Mathematics