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emmainna [20.7K]
2 years ago
8

Find the volume of the cylinder. Round your answer to the nearest tenth. 15 cm The volume of the cylinder is about cubic centime

ters.​

Mathematics
2 answers:
ira [324]2 years ago
7 0

Answer:

Volume (V) ≈ 804.3 cm³

Step-by-step explanation:

Given the diagram of a cylinder with the following dimensions:  

<u>Diameter</u> = 8 cm

<u>Height</u> = 16 cm

We can use the following formula for finding the volume of a cylinder:

Volume (V) = πr²h

Since the formula requires the value of the cylinder's radius, we can derive this value from the given diameter of 8 cm.

  • We know that the <u>radius</u> of a circle is <u>half the measure of its diameter</u>.

Thus, the <u>radius</u> of the cylinder is 4 cm.

Substitute the given values for the height and the derived measure of the radius into the following formula for the volume of a cylinder:

Volume (V) = πr²h

Volume (V) = π(4)²(16)

Volume (V) = π(16)(16)

Volume (V) = 256π

Volume (V) ≈ 804.25 cm³ or 804.3 cm³

Therefore, the <u>volume</u> of the given cylinder is approximately 804.25 cm³ or 804.3 cm³.

Ostrovityanka [42]2 years ago
3 0
The volume of the cylinder is approximately 804.3 cm^3
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Sunny_sXe [5.5K]

Answer:

Part 1) "a" value is 2

Part 2) The vertex is the point (1,8)

Part 3) The equation of the axis of symmetry is x=1

Part 4) The vertex is a minimum

Part 5) The quadratic equation in standard form is y=2x^{2}-4x+10

Step-by-step explanation:

we know that

The equation of a vertical parabola into vertex form is equal to

y=a(x-h)^{2}+k

where

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if a > 0 then the parabola open upward (vertex is a minimum)

if a < 0 then the parabola open downward (vertex is a maximum)

The equation of the axis of symmetry of a vertical parabola is equal to the x-coordinate of the vertex

so

x=h

In this problem we have

y=2(x-1)^{2}+8 -----> this is the equation in vertex form of a vertical parabola

The value of a=2

so

a>0 then the parabola open upward (vertex is a minimum)

The vertex is the point (1,8)

so

(h,k)=(1,8)

The equation of the axis of symmetry is x=1

The equation of a vertical parabola in standard form is equal to

y=ax^{2}+bx+c

Convert vertex form in standard form

y=2(x-1)^{2}+8

y=2(x^{2}-2x+1)+8

y=2x^{2}-4x+2+8

y=2x^{2}-4x+10

see the attached figure to better understand the problem

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3 years ago
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<h2>Answer:</h2>

<u>The length is</u><u> 12 feet</u>

<h2>Step-by-step explanation:</h2>

The width of the garden is 5 feet

After that the total edging is telling us the area

We know that

<h3>Area of rectangle = length x width</h3>

So

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Length = 60 / 5

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3 years ago
Find the values of the sine, cosine, and tangent for ZA.<br><br> (TOP OF TRIANGLE IS (A))
Sloan [31]

\bigstar\:{\underline{\sf{In\:right\:angled\:triangle\:ABC\::}}}\\\\

  • AC = 7 m
  • BC = 4 m

⠀⠀⠀

\bf{\dag}\:{\underline{\frak{By\:using\:Pythagoras\: Theorem,}}}\\\\

\star\:{\underline{\boxed{\frak{\purple{(Hypotenus)^2 = (Perpendicular)^2 + (Base)^2}}}}}\\\\\\ :\implies\sf (AB)^2 = (AC)^2 + (BC)^2\\\\\\ :\implies\sf (AB)^2 = (AB)^2 = (7)^2 = (4)^2\\\\\\ :\implies\sf (AB)^2 = 49 + 16\\\\\\ :\implies\sf (AB)^2 = 65\\\\\\ :\implies{\underline{\boxed{\pmb{\frak{AB = \sqrt{65}}}}}}\:\bigstar\\\\

⠀⠀⠀⠀━━━━━━━━━━━━━━━━━━━━━

☆ Now Let's find value of sin A, cos A and tan A,

⠀⠀⠀

  • sin A = Perpendicular/Hypotenus = \sf \dfrac{4}{\sqrt{65}} \times \dfrac{\sqrt{65}}{\sqrt{65}} = \pink{\dfrac{4 \sqrt{65}}{65}}

⠀⠀⠀

  • cos A = Base/Hypotenus = \sf \dfrac{7}{\sqrt{65}} \times \dfrac{\sqrt{65}}{\sqrt{65}} = \pink{\dfrac{7 \sqrt{65}}{65}}

⠀⠀⠀

  • tan A = Perpendicular/Base = {\sf{\pink{\dfrac{4}{7}}}}

⠀⠀⠀

\therefore\:{\underline{\sf{Hence,\: {\pmb{Option\:A)}}\:{\sf{is\:correct}}.}}}

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3 years ago
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Answer:

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Slav-nsk [51]

Answer:

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Step-by-step explanation:

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So the exponential expression will be : e_3^{4}

According to the information given above expression is the required expression.

4 0
3 years ago
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