Find the root. Round to three decimal places if necessary.
A. 3.137
B. 5.292
C. 9.333
D. 3.037
Answer: D
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 + (5 sin t)j
A. a = (-4 cos 2t)i + (-5 sin t)j B. a = (-2 cos 2t)i + (5 sin t)j C. a = (-4 cos 2t)i + (-25 sin t)j D. a = (4 cos 2t)i + (-5 sin t)j
Mathematics
Expand the expression using the Binomial Theorem.(x3 + 2y2)4
A. x6 + 8x5y2 + 24x6y4 + 32x3y5 + 16y6 B. x12 + 8x9y6 + 24x6y4 + 32x3y2 + 16y8 C. x12 + 6x9y2 + 24x6y4 + 24x3y6 + 16y8 D. x12 + 8x9y2 + 24x6y4 + 32x3y6 + 16y8
Mathematics
Use a sum-to-product identity to rewrite the expression.sin 
+ sin 
A. 2
B. 2
C. 2
D. 2
Mathematics
Add or subtract as indicated. Write the answer in simplest form.
- 
A. 
B. 
C. 
D. 
Mathematics