A haircut costs $30. The sales tax is 4.5%. How much tax will you pay?
2 answers:
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<h2>Answer:</h2><h2>Step-by-step explanation:</h2>
Sound waves are longitudinal waves that travels through a medium usually air and this is the most important of all the mechanical waves that occur in nature in our everyday lives. To solve this problem, we must use the equation:
So our goal is to find Therefore: