Answer:
Step-by-step explanation:
Subtract 57 from both sides:
Divide both sides by 4:
The selling price of the Robertsons family house dropped from $500,000 to $250,000. What was the percent decrease in the value o
2 answers:
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If you have a unit circle, it means that you have a circle of radius r = 1 unit. So if we consider the scalene triangle of the figure, its vertical side is the sine of the theta angle and its horizontal side is the cosine of the theta angle. Then to find the hypotenuse of the triangle you use the Pythagorean theorem, thus relating the sine and cosine measures. I attach the solution.
