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The total cost of the nicest trip to the dentist was $628.35. She paid a flat fee of $89.95 which included the check up and clea
ning and then had four cavities filled, each of which cost the same amount. Which shows the correct equation in value of X, the cost of each cavity filling?
1 answer:
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Answer:
(1.5,-2.6)
Step-by-step explanation:
Given the polar coordinates (-3,60°).
Let our Cartesian coordinates be (x,y)
#We know that when converting the rectangular coordinates (x,y) to polar (r,θ), then:
#Using the illustration above, we can express our polar coordinates as:
#Solve simultaneously to solve for x and y:
Hence, the Cartesian coordinates are (1.5,-2.6)