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zavuch27 [327]
3 years ago
9

Tim has a scale model of an airplane which says it is in a 1:15 ratio. What does that mean?

Mathematics
1 answer:
Aleks [24]3 years ago
6 0

Answer:

1/15

Step-by-step explanation:

I think that it means Tim's model airplane is 1/15 the size of the airplane that it is a model of

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chubhunter [2.5K]

Answer:

Elissa needs 4 quarts of paint, or 1 gallon.

Step-by-step explanation:

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3 years ago
the length of the shadow of a pole on level ground increases by 90m when the angle of elevation of the sun changes from 58 degre
Anarel [89]

Answer:

The height of the pole is 167 m

Step-by-step explanation:

The given parameters are;

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Final angle of elevation of the Sun = 36°

We have a triangle formed by the change in the length of the shadow and the rays from the two angle of elevation to the top of the pole giving an angle 22° opposite to the increase  in the length of the shadow  

We have by sin rule;

90/(sin (22°)  = (Initial ray from the top of the pole to the end of the shadow's length)/(sin(122°)

Let the initial ray from the top of the pole to the end of the shadow's length = l₁

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l₁ = 90/(sin (22°) ×(sin(122°) = 283.3 m

Therefore;

The height of the pole = 283.3 m × sin(36°) = 166.52 m

The height of the pole= 167 m to three significant figures.

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3 years ago
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Answer:

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Step-by-step explanation:

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