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=7.2*1.5=10.8 cm
b=6.3/1.5=4.2 cm
Step-by-step explanation:
<u>Proportional Geometric Shapes </u>
A) We are given two similar shapes of a logo. They are to be proportional. We only need to find the proportion ratio of two of them to find the rest of the lengths.
The upper sides have 7.5 cm and 5 cm respectively. This gives us the ratio
Which means all the measures of the smaller logo are 1.5 smaller than those of the larger. This means
b=6.3/1.5=4.2 cm
a=7.2*1.5=10.8 cm
B) To paint the logos, we need to cover its surface, so the ratio of the surface is 1.5*1.5=2.25
This means the cost to paint the larger logo is
Answer:
Step-by-step explanation:
Factor by grouping:
'-5' is a common factor.
Factoring out '-5'....
Hope this helps.