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Sauron [17]
3 years ago
10

Solve 5n=20 math right now please

Mathematics
2 answers:
maksim [4K]3 years ago
8 0

Answer:

n=4

Step-by-step explanation:

slega [8]3 years ago
7 0

Answer:

n=4

Step-by-step explanation:

5x4=20

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BabaBlast [244]

Answer:

5x=55

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5x/5=55/5

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3 years ago
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From an aeroplane vertically above a straight horizontal plane, the angles of depression of two consecutive kilometres stones on
Airida [17]
You have to build the triangles.

They are such that:
h is the common height
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1 - x is the horizontal distance from the plane to the other stone
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Then, in this triangle: tan (alfa) = h / [1 -x ] ...... (2)

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tan(alfa) = h / { [ 1 - h / tan(beta)] } =>

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[tan(beta) - h] tan(alfa) = h*tan(beta)

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h [tan(alfa) + tan(beta) ] = tan(beta) tan (alfa)

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4 0
3 years ago
HELP DUE IN 15 MINS!
Stells [14]

Answer:

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Step-by-step explanation:

<u>Sum of interior angles of a polygon:</u>

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What is a trigonometric ratio
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