The decibel level D, a measure of loudness, is related to the relative intensity I of sound by the formula
.
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Express relative intensity as a function of decibels.
?
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Evaluate and simplify completely. Write your answer as a mixed number if possible.4
÷ 11
A. 
B. 
C. 
D. 
Mathematics
Discuss the symmetry of the graph of the polynomial function.f(x) = (x - 4)2
A. Symmetric about y = 4 B. Symmetric about x = 4 C. Symmetric about x = -4 D. Symmetric about y = -4
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
+ 
+ 
A. 
B. 
C. 
D. 
Mathematics
In the following group of computations, one answer is wrong. Use estimation to explain which answer is incorrect.
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?
?
?
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/> 0.1765 1.2216 0.916 What will be an ideal response?
Mathematics