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trapecia [35]
3 years ago
10

A pole that is 3.2 m tall casts a shadow that is 1.45 m long. At the same time, a nearby building casts a shadow that is 36.5 m

long. How tall is the building? Round your answer to the nearest meter.
Mathematics
1 answer:
Usimov [2.4K]3 years ago
5 0
To solve this, use proportions. The height of the pole corresponds to the height of the building; the shadows are corresponding: 3.1/x =1/45.5
3.1 times 45.5=1x
141.05=x
The building is 141 meters tall
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increasing 20 to 40 is the same as increasing 20 by 20 (or itself), so it is a 100% increase. Decreasing 40 to 20 is the same as decreasing 40 by 1/2 or by 20. So it is a 50% increase.

when going from 20 to 40, the number is being doubled, and when youre going from 40 to 20 you are cutting the number in half. 

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Answer:

The complete answer is explained below.

Step-by-step explanation:

The problem is demanding to simply determine the number of years each color light would last.

We know the following information from the question:

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Also the bulbs for each color are LED and are designed to last 100,000 hours. So, each light does last 100,000 hours.

lets make conversions

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Dividing 100,000 hours by 24 hours would bring 4166.67 days

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Keywords: light, conversion, day, hours

Learn more about conversions from brainly.com/question/402716

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Step-by-step explanation:

see picture

3 0
4 years ago
Read 2 more answers
Evaluate the expression when m= 6.<br> m² - 19
densk [106]

Answer:

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Step-by-step explanation:

6^2 - 19

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Answer:

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Step-by-step explanation:

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6 0
3 years ago
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