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Mnenie [13.5K]
3 years ago
8

A grain silo has a diameter of 4.4 meters. The height of its cylindrical portion is 6.2 meters.

Mathematics
2 answers:
mixer [17]3 years ago
7 0

Answer:

c. 116.5

Step-by-step explanation:

e2020 baby

erastova [34]3 years ago
4 0
Volume of a cylinder = Height x base are
H = 6.2 m
Bae are = π.R² ; Diameter =4.4 m, then Radius = 2.2 m
Base area = π(2.2)²
And Volume=:
V= (6.2).(π,2.2²) = (6.2).(π)(.4.84) = 30.008.π ≈ 94.2 m³
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HELP PLEASE! Can you please explain so I can understand how it was completed?
nlexa [21]

Answer:

(3 square root of 2 , 135°), (-3 square root of 2 , 315°)

Step-by-step explanation:

Hello!

We need to determine two pairs of polar coordinates for the point (3, -3) with 0°≤ θ < 360°.

We know that the polar coordinate system is a two-dimensional coordinate. The two dimensions are:

  • The radial coordinate which is often denoted by r.
  • The angular coordinate by θ.

So we need to find r and θ. So we know that:

r=\sqrt{x^{2}+y^{2}}       (1)

x = rcos(θ)                                   (2)

x = rsin(θ)                                    (3)

From the statement we know that (x, y) = (3, -3).

Using the equation (1) we find that:

r=\sqrt{x^{2}+y^{2}}=\sqrt{3^{2}+(-3)^{2}} = 3\sqrt{2}

Using the equations (2) and (3) we find that:

3 = rcos(θ)

-3 = rsin(θ)

Solving the system of equations:

θ= -45

Then:

r = 3\sqrt{2}[/tex]

θ= -45 or 315

Notice that  there are two feasible angles, they both have a tangent of -1. The X will take the positive value, and Y the negative one.

So, the solution is:

(3 square root of 2 , 135°), (-3 square root of 2 , 315°)

4 0
3 years ago
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Answer:

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Step-by-step explanation:

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mars1129 [50]

Answer:

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Step-by-step explanation:

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Subtract 1/h^3 from both sides:

g^x = 1/g^6

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Answer: x = log(1/g^6)/log(g) + (2 i π n)/log(g) for n element Z

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chubhunter [2.5K]

Step-by-step explanation:

<h3><u>★ Solution :-</u></h3>

\sf \longmapsto 102 \times 98

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Here,

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8 0
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xz_007 [3.2K]

Answer:

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Step-by-step explanation:

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