Provide an appropriate response.Simplify by combining like terms: 3.9c + 8.6c - 4.2d - 6.1c
Fill in the blank(s) with the appropriate word(s).
6.4c - 4.2d
Mathematics
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The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 0 for r(t) = t2i + (8t3 - 10)j + 
k
A. a(0) = 2i + 
k
B. a(0) = 2i - 
k
C. a(0) = 2i - 
k
D. a(0) = 2i - 
k
Mathematics
Provide an appropriate response.Solve the following system algebraically: 
Fill in the blank(s) with the appropriate word(s).
Mathematics
?(x + 6)ln xdx
Evaluate.
Mathematics
Find the area of the circle. Use ? ? 3.14 and round to the nearest hundredth.radius = 10.5 ft
A. 346.19 ft2 B. 1384.74 ft2 C. 131.88 ft2 D. 65.94 ft2
Mathematics