Solve.- 
+ 
= - 
+ 
A. -11
B. 
C. - 
D. 11
Answer: D
Mathematics
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Solve the problem.What is the intensity in watt/m2 of a noise measured at 79 decibels? D = 10 log (S/S0), where S0 is 10-12 watt/m2. (Round to 3 significant digits.)
A. 2.7 × 1015 watt/m2 B. 7.94 × 10-5 watt/m2 C. 7.94 × 10-4 watt/m2 D. 7.9 × 10-10 watt/m2
Mathematics
Evaluate.(-1)13
A. 1 B. -13 C. -1 D. 13
Mathematics
Write the decimal as a percent.0.5
A. 0.05% B. 500% C. 50% D. 0.5%
Mathematics
Identify the pairs of complementary or supplementary angles, as indicated.Supplementary
A. ?AOD & ?COB; ?AOC & ?DOB B. ?AOC & ?AOD; ?AOD & ?DOB; ?DOB & ?COB; ?COB & ?AOC C. ?COB & ?BOD; ?BOD & ?AOD D. ?AOC & ?AOD; ?AOD & ?DOB
Mathematics