Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.logd x5
A. dlog5 x
B. -dlog5 x
C. 5logd x
D. -5logd x
Answer: C
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) = (3 ln(8t))i + (2t3)j
A. a = - 
i + 12tj
B. a = 
t-2i + 12tj
C. a = 
i + 6tj
D. a = - 
t-2i + 12tj
Mathematics
Provide an appropriate response.In the figure below, BD = CD. Prove that m(?BAC) = 2 ? m(?BAD).
What will be an ideal response?
Mathematics
Provide an appropriate response.You are asked to change 
to a mixed number. What should be your first step?
A. Multiply 25 and 24. B. Divide 24 by 25. C. Add 25 and 24. D. Divide 25 by 24.
Mathematics
Provide an appropriate response.Write 
as a decimal.
A. 0.5
B. 0.
C. 0.
D. 0.53
Mathematics