3 years ago

The volumes of two cones are in a ratio 8:27. What is the ratio of their radii?

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1 answer:

Lubov Fominskaja [6]3 years ago

3 0

Answer:

maybe answer is option a) :))

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Jonah left out the other two sides!

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Ashton is saving money to buy a new bike. He has saved $48 which is only 60% of what he needs to save. What is the total cost of

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Step-by-step explanation:

48/60 = x/100

48 x 100= 4,800

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A person on a runway sees a plane approaching. The angle of elevation from the runway to the plane is 11.1° . The altitude of th

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Answer:

The horizontal distance from the plane to the person on the runway is 20408.16 ft.

Step-by-step explanation:

Consider the figure below,

Where AB represent altitude of the plane is 4000 ft above the ground , C represents the runner. The angle of elevation from the runway to the plane is 11.1°

BC is the horizontal distance from the plane to the person on the runway.

We have to find distance BC,

Using trigonometric ratio,

$\tan\theta=\frac{Perpendicular}{base}$

Here, $\theta=11.1^{\circ}$ ,Perpendicular AB = 4000

$\tan\theta=\frac{AB}{BC}$

$\tan 11.1^{\circ} =\frac{4000}{BC}$

Solving for BC, we get,

$BC=\frac{4000}{\tan 11.1^{\circ} }$

$BC=\frac{4000}{0.196}$ (approx)

$BC=20408.16$ (approx)

Thus, the horizontal distance from the plane to the person on the runway is 20408.16 ft

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