Find the reciprocal, if it exists.- 
A.
B.
C. 1
D. -
Answer: D
Mathematics
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Provide an appropriate response.Which description best describes ?
A. Mixed-decimal fraction B. Decimal fraction C. Proper fraction D. Complex fraction
Mathematics
Evaluate the integral.
A. - cos 3x -
x sin 5x + C
B. - cos 3x -
sin 3x + C
C. - cos 3x -
x sin 3x + C
D. - cos 3x - 5x sin 3x + C
Mathematics
Solve.When a principal P earns an annual interest rate r compounded yearly, the amount A after t years is A = P(1 + r)t. How long will it take for a principal to double at 9% compounded annually? Round to the nearest whole year.
A. t ? 9 years B. t ? 5 years C. t ? 8 years D. t ? 7 years
Mathematics
Use < or > for ? to write a true sentence. Draw a number line if necessary.39 ? 33
A. > B. <
Mathematics