Answer:
k = 3
Step-by-step explanation:
Given that y and x are directly related then the equation relating them is
y = kx ← k is the constant of variation
To find k use the condition y = 81 when x = 27
k = =
= 3
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2 answers:
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Answer:
The radius of the silo is 5.788 feet.
Step-by-step explanation:
Since the silo has the shape of a cylinder, then;
Volume of the silo = Volume of a cylinder = h
Where: r is the radius of the silo, and h is the height.
Given that: volume = 2106 cubic feet, and height = 20 feet.
Then,
2106 = x
x 20
2106 =
2106 x 7 = 440
14742 = 440
=
= 33.5045
⇒ r =
= 5.78831
r = 5.788 feet
The radius of the silo is 5.788 feet.
Step-by-step explanation:
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