Solve the inequality. Other than ?, graph the solution set on a number line.8x - 10 ? 2x - 15
A. 
B. [-5, 6]
C. 
D. (-5, 6)
Answer: A
Mathematics
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Simplify the expression. If any variables are present, assume that they are positive.
A. 9
B. 15
C. 3
D. 3x
Mathematics
Use a sum-to-product identity to rewrite the expression.sin (11t + 10) + sin (2t + 1)
A. 2
B. 2
C. 2
D. 2
Mathematics
Provide an appropriate response.On the decibel scale, the loudness of a sound, in decibels, is given by D = 10 log
, where I is the intensity of the sound, in watts per meter2, and I0 is the intensity of a sound barely audible to the human ear. If the intensity of a sound is 106I0, what is its loudness in decibels?
A. 3 decibels B. 60 decibels C. 6 decibels D. 10 decibels
Mathematics
Solve the exponential equation. Round to three decimal places when necessary.
= 5
A. 0.203 B. 0.326 C. 0.28 D. 0.215
Mathematics