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marishachu [46]
3 years ago
8

Find the volume of a right circular cone that has a height of 4.1 cm and a base with a diameter of 14.8 cm. Round your answer to

the nearest tenth of a cubic centimeter.
Mathematics
1 answer:
podryga [215]3 years ago
6 0

Answer:

V=235.1\ cm^3

Step-by-step explanation:

<u>Volume of a Cone</u>

The volume of a right circular cone with height h and a base radius r is:

\displaystyle V=\frac{1}{3}\pi r^2 h

The height of the given cone is h=4.1 cm and its diameter is d=14.8 cm. Since the radius is half the diameter, r=7.4 cm.

Calculate the volume:

\displaystyle V=\frac{1}{3}\pi\cdot 7.4^2\cdot 4.1

\displaystyle V=\frac{1}{3}\pi\cdot 54.76\cdot 4.1

\displaystyle V=\frac{1}{3}\pi\cdot 224.516

\boxed{V=235.1\ cm^3}

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Answer:

Area = 58 \ units^2

Step-by-step explanation:

We can start by finding the third side of the triangle/the side of the square using the Pythagorean Theorem:

a^2+b^2=c^2

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Since the area of a square is the side length square then...

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2 years ago
Which statement must be true about line TU?
just olya [345]
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3 years ago
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trapecia [35]

Answer:

see explanation

Step-by-step explanation:

x² + 3x + 7 = 5 ( subtract 5 from both sides )

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Equate each factor to zero and solve for x ( zero product rule )

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x + 1 = 0 ⇒ x = - 1

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x² - 2 = - 2x² + 5x ( subtract - 2x² + 5x from both sides )

3x² - 5x - 2 = 0 ← in standard form

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4 0
3 years ago
If f(x)=5x0+4x-3 then f(a)=
Bingel [31]

Answer:

f=

1

/4

y+

−1

/2

Step-by-step explanation:

Let's solve for f.

y=5x^0+4x−3

Step 1: Flip the equation.

4x+2=y

Step 2: Add -2 to both sides.

4x+2+−2=y+−2

4x=y−2

Step 3: Divide both sides by 4.

4x

/4

=

y−2

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x=

1

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y+

−1

/2

=f=

1

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y+

−1

/2

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