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2 years ago

HELPPPP look at image

Mathematics

2 answers:

Zepler [3.9K]2 years ago

7 0

Answer:

300 gallons this was to easy

sasho [114]2 years ago

6 0

It would take 300 gallons of fuel. I’m pretty that’s right

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Find the area of A cylinder has a volume of 175 cubic units and a height of 7 units. The diameter of the cylinder is

damaskus [11]

To find the area of the cylinder we need to find its volume first. Remember that the formula for the volume of a cylinder is $V= \pi r^{2} h$
where:
$V$ is the volume
$r$ is the radius
$h$ is the height
From the question we know that $A=175$ and $h=7$ . Lets replace those values in our volume formula:
$175= \pi r^{2} 7$
Now we can solve for $r$ to find our radius:
$r^{2} = \frac{175}{7 \pi }$
$r^{2} = \frac{25}{ \pi }$
$r= \sqrt{ \frac{25}{ \pi } }$
$r= \frac{5}{ \sqrt{ \pi } }$

Now that we know the radius, we can use the formula for the area of a cylinder $A=2 \pi rh+2 \pi r^{2}$
where:
$A$ is the area
$r$ is the radius
$h$ is the height
We know now that $r= \frac{5}{ \sqrt{ \pi } }$ and $h=7$ , so lets replace those values in our area formula:
$A=2 \pi ( \frac{5}{ \sqrt{ \pi } } )(7)+2 \pi ( \frac{5}{ \sqrt{ \pi } })^{2}$
$A= \frac{70 \pi }{ \sqrt{ \pi } } +50$
$A=174.07$

We can conclude that the area of a cylinder that has a volume of 175 cubic units and a height of 7 units is 174.07 square units.

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ki77a [65]

Answer:

Step-by-step explanation:

y=1x+11

19=x+11

8=x

I have to do this for more characters

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AleksandrR [38]

Well you see here, you need to take attest pre-calculus to answer this question. I am in 6th grade.

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Tanzania [10]

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Step-by-step explanation:

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