Mr. Keller bought a car for $20,000. A study shows that a car will depreciate (go DOWN in value) by 15% each year. How much is M
r. Keller’s car worth after 5 years?
A) Formula used:
B)Substitute values:
C) Final answer
D) Does this final answer make sense compared to the original cost of the car? Why?
E) DESCRIBE (using a complete sentence or two) how you can solve this problem graphically.
Please answer all
A) Formula used:
B)Substitute values:
C) Final answer
D) Does this final answer make sense compared to the original cost of the car? Why?
E) DESCRIBE (using a complete sentence or two) how you can solve this problem graphically.
Please answer all
1 answer:
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Answer:
a) 78°
b) 39°
Step-by-step explanation:
In circle with center O, DE is tangent at point A and AC is chord (or secant if extended both sides).
Therefore by tangent secant theorem.
Since, measure of central angle of a circle is equal to the measure of its corresponding minor arc.
Next, by inscribed angle theorem: