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valentina_108 [34]
2 years ago
14

A barrel of crude oil contains 5.61 cubic feet of oil. How many barrels of oil are contained in 1 mile (5280 feet) of a pipeline

that has an inside diameter of 6 inches and is completely filled with oil? How much is "1 mile" of oil in this pipeline worth at a price of $100 per barrel?
Mathematics
1 answer:
amm18122 years ago
6 0

Considering the volume of a cylinder, we have that:

  • There are 185 barrels of oil in the pipeline.
  • One mile of oil is worth $18,500.

<h3>What is the volume of a cylinder?</h3>

The volume of a cylinder of radius r and height h is given as follows:

V = \pi r^2h

Considering that the radius is half the diameter, and that each inch has 0.0833 feet, the parameters in feet for this problem are given as follows:

r = 0.25, h = 5280.

Hence the volume in cubic feet is:

V = 3.14 x (0.25)² x 5280 = 1036.2 feet³.

The number of barrels in this pipeline, considering the volume of a single barrel, is given as follows:

1036.2/5.61 = 185 barrels.

The worth of 1 mile of oil, considering the price of $100 per barrel, is given by:

185 x 100 = $18,500.

One mile of oil is worth $18,500.

More can be learned about the volume of a cylinder at brainly.com/question/9408912

#SPJ1

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Endpoints of segment MN have coordinates (0, 0), (5, 1). The endpoints of segment AB have coordinates (1 1/22 , 2 1/4 ) and (−2
Nana76 [90]

Answer: k=18\dfrac{8}{11}.

Step-by-step explanation:

If a line passing through two points, then

Slope=\dfrac{y_2-y_1}{x_2-x_1}

Endpoints of segment MN have coordinates (0, 0) and (5, 1).

Slope of MN =\dfrac{1-0}{5-0}=\dfrac{1}{5}

The endpoints of segment AB have coordinates \left(1\dfrac{1}{22} , 2\dfrac{1}{4}\right) and  \left(-2\dfrac{1}{4} , k\right).

A=\left(1\dfrac{1}{22} , 2\dfrac{1}{4}\right)=\left(\dfrac{23}{22} ,\dfrac{9}{4}\right)

B=\left(-2\dfrac{1}{4} , k\right)=\left(-\dfrac{9}{4} , k\right).

Slope of AB =\dfrac{k-\frac{9}{4}}{-\frac{9}{4}-\dfrac{23}{22}}

=\dfrac{\frac{4k-9}{4}}{\frac{-99-46}{44}}

=\dfrac{4k-9}{4}\times \dfrac{44}{-145}

=4k-9\times \dfrac{11}{-145}

=\dfrac{44k-99}{-145}

Product of slopes of two perpendicular segments is -1.

Slope of MN × Slope of AB = -1

\dfrac{1}{5}\times \dfrac{44k-99}{-145}=-1

\dfrac{44k-99}{-725}=-1

44k-99=725

44k=725+99

k=\dfrac{824}{44}

k=\dfrac{206}{11}

k=18\dfrac{8}{11}

Therefore, the value of k is k=18\dfrac{8}{11}.

8 0
3 years ago
Read 2 more answers
Show your working please.​
iren2701 [21]

Offer B is the best value for money because each kg cost is £0.61 and in offer 'A' each kg cost is £0.7.

<h3>What is a fraction?</h3>

Fraction number consists of two parts, one is the top of the fraction number which is called the numerator and the second is the bottom of the fraction number which is called the denominator.

We have:
2 bags for £35

2 bags means 50 kg (2×25)

Each kg cost = 35/50 = £0.7 per kg

3 bags for £92.50

3 bags means 150 kg

Each kg cost = 92.50/150 = £0.61 per kg

As we can see, offer B has a low cost per kg

Thus, offer B is the best value for money because each kg cost is £0.61 and in offer 'A' each kg cost is £0.7.

Learn more about the fraction here:

brainly.com/question/1301963

#SPJ1

6 0
2 years ago
Which expression is equivalent to 4/9 x 7​
Romashka [77]

Answer:

I think it is 3.1

Step-by-step explanation:

make me brainlyest pls

8 0
2 years ago
Chart:
True [87]
I would say B because it only makes since, colleges are looking for whats better in students and you will also work in groups also. So i would go with B :)
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3 years ago
A rectangle has vertices P(-7, -5) , Q(-7, 8), R(3, 8), and S(3, -5). What is the length, in units, of RS¯¯¯¯¯¯¯? 3 units
cupoosta [38]
21 !; =47 she’d go gsmj. Fav
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