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olga55 [171]
3 years ago
12

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

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
3 0

Answer:

maybe answer is option a) :))

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Jonah calculates that the perimeter of the rectangle below is 6 1/4x - 3. Explain his error and include the correct expression.
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Answer:

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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Answer:

80

Step-by-step explanation:

48/60 = x/100

48 x 100= 4,800

4,800 divided by 60=80

x= $80.00

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2 years ago
THE HORROR! HELP!!!!!
Arlecino [84]
A' (1,4)
B' (5,8)
C' (5,4)
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8 0
3 years ago
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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
Gnoma [55]

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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3 years ago
Fill in the missing numbers in these equations
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