Elvira wants to predict how much her cable television service will cost each month. She pays a
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Answer:
<h2>a = 400/21, b = 580/21</h2>Step-by-step explanation:
Small triangles are similar. Therefore, the sides are proportional
<em>cross multiply</em>
<em>divide both sides by 21</em>
For b, we can use the Pythagorean theorem:
Answer:
It's a property of log() or ln() functions. It's states:
in other word, subtraction of log functions could be combined to a quotient in the log function.