Short Answer
The loudness L of a sound (measured in decibels, dB) is inversely proportional to the square of the distance d from the source of the sound. A person who is 10 ft from a lawn mower experiences a sound level of 70 dB. How loud is the lawn mower when the person is 50 ft away?
Correct Answer:

Verified
Correct Answer:
Verified
Q169: If the recommended adult dosage for
Q170: Factor the expression. <span class="ql-formula"
Q171: The stopping distance D of a car
Q172: Simplify the expression. Assume the letters
Q173: Simplify the compound fractional expression.
Q175: Solve the equation. <span class="ql-formula"
Q176: Use a graphing calculator or computer
Q177: Solve the equation <span class="ql-formula"
Q178: A rectangular garden is surrounded by
Q179: If Arnold invests <span class="ql-formula"