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Elina [12.6K]
2 years ago
7

the eastern alberta DC transmission like is a project that began construction in 2012. It includes a 500km, 500kv power line fro

m the brooks area to the edmonton area. (the V stands for volts, and SI unit for the electrical potential)
Mathematics
1 answer:
Zielflug [23.3K]2 years ago
6 0

The number of the required towers based on the information given is 3334.

<h3 /><h3>How to calculate the number?</h3>

From the information given, it should be noted that the length of power line is 500km

The towers supporting the line are 1.5hm apart. It should be be noted that 1km = 10hm. Therefore, the require towers will be:

= (500 × 10)/1.5

= 3334

Learn more about towers on:

brainly.com/question/10717351

#SPJ1

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katrin2010 [14]

Answer:

6 adults

Step-by-step explanation:

Let

x -----> the number of children

y ----> the number of adults

we know that

The ratio

\frac{x}{y}=\frac{20}{15}

so

using proportion

Find the value of y for x=(20-12)=8

\frac{20}{15}=\frac{8}{y}\\\\y=15*8/20\\\\y=6

therefore

6 adults

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Answer:

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