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svet-max [94.6K]
2 years ago
7

Electric utility poles in the form of right cylinders are made out of wood that costs

Mathematics
1 answer:
olga_2 [115]2 years ago
5 0

The cost of a utility pole with a diameter of 1.5 ft and a height of 40 ft is $782.1

<h3>How to calculate the cost of a utility pole with a diameter of 1.5 ft and a height of 40 ft?</h3>

The given parameters are:

Cost per cubic foot = $11.07 per cubic foot

Height = 40 feet

Diameter = 1.5 feet

Shape = Cylinder

The volume of the cylinder is calculated as:

V = πr^2h

Where

r = Diameter/2

So, we have

r = 1.5/2

Evaluate

r = 0.75

The volume of the cylinder becomes

V = 3.14 * 0.75^2 * 40

Evaluate

V = 70.65

The cost per cubic foot is $11.07 per cubic foot.

So, the cost of a utility pole is

Cost = $11.07 * 70.65

Evaluate

Cost = $782.1

Hence, the cost of a utility pole with a diameter of 1.5 ft and a height of 40 ft is $782.1

Read more about volume at:

brainly.com/question/1972490

#SPJ1

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Step-by-step explanation:

5/8 x 5/1 = 25/8

Divide 25 by 8 and you get 3 1/8

Add label of miles

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A table measures x+4 inches long and 5x+12 inches wide. What is the perimeter of the table?
tangare [24]

Answer:

P = 12x +32

Step-by-step explanation:

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P =2(l+w)

We know the length and the width

P = 2(x+4 + 5x+12)

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Distribute

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3 years ago
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Step-by-step explanation:

We know that the area for the rectangle is 72 feet squared.

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3 years ago
Write an equation in slope intercept form for the line that passes through (2,-2) and is parallel to y=-5/2x+5
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y=mx+b\\y=x-2

<em>Only y= x - 2 intercepts x-axis at 2 and y-axis at -2. Thus meaning that they intercept oppositely.</em>

<em>Find if both graphs are parallel, that means the equation must be false.</em>

<em />x-2=-\frac{5}{2}x+5<em />

<em>Multiply whole equation by 2 to get rid of the fractional 2.</em>

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<em>Well, that doesn't seem to be parallel. This is called one solution answer. Both graphs intercept at (2,0). There are no linear graphs that intercept at (2,-2) except for y = x-2 so there are no graphs with (2,-2) that are parallel to the equation y = -5x/2+5 </em>

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SIMPLE PARALLELOGRAM PERIMETER QUESTION
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The perimeter is 62 inches. My work is shown in the picture.

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