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andrezito [222]
3 years ago
8

if 200 volts comes from 110 turns on a coil, give the number of turns on a coil that yields 154 volts

Mathematics
1 answer:
grigory [225]3 years ago
6 0

Answer:

23.7

Step-by-step explanation:

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John who is 5 ft tall is standing 20 feet away from a tree, and you measure the angle of elevation to be 38∘. How tall is the tr
fenix001 [56]

Answer:

The tree is 20.6 ft tall.

Step-by-step explanation:

Please check the attached graph.

From the diagram, it is clear that John is 5 ft tall is standing 20 feet away from a tree, making an angle of elevation to be 38⁰.

The diagram makes a right-angled triangle.

  • Given the angle = Ф = 38⁰
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Pythagorean Theorem:

For a right-angled triangle, with sides 'a' and 'b', the hypotenuse 'c' is defined as:

\:c=\sqrt{a^2+b^2}

substituting a=5, b=20

c=\sqrt{5^2+20^2}

c=5\sqrt{17}

c=20.6 ft

Thus, the tree is 20.6 ft tall.

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3 years ago
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63/100

Step-by-step explanation:

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Find x and y intercepts
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What are the lengths of line segments AB and BC
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I need more information
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If f(x)=3x+5/x, what is f9a+2)<br><br> A. 3(a+2)+8/a+2<br> B. 3(f(a))+5/f(a)+2<br> C. 3a+5/a+2
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b

Step-by-step explanation:

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