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mart [117]
3 years ago
12

Find the volume of the cone. Round your answer to the nearest tenth.

Mathematics
2 answers:
Kamila [148]3 years ago
8 0

Hello!

To find the volume of a cone, use the formula: V = 1/3πr²h.

In the photo, the height is 6 units, and the diameter is 8 units. Since the radius is half the diameter, then the radius is 4 units.

V = 1/3π(4)²(6)

V = 1/3(6)(16)π

V = 2(16)π

V = 32π

V = 100.5309... This can be rounded to about 100.5.

Therefore, the volume of this cone, is about 100.5 units³.

grigory [225]3 years ago
6 0

Hello!

To find the volume of a cone, use the formula: V = 1/3πr²h.

In the photo, the height is 6 units, and the diameter is 8 units. Since the radius is half the diameter, then the radius is 4 units.

V = 1/3π(4)²(6)

V = 1/3(6)(16)π

V = 2(16)π

V = 32π

V = 100.5309... This can be rounded to about 100.5.

Therefore, the volume of this cone, is about 100.5 units³.

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D = 45 and C = 26

Step-by-step explanation:

The bigger triangle has a 90 degree corner add that to 64 and you will get 164 (all of the triangles angles have to add to 180) from 180 subtract 164 and you get 26 which is C's answer

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3 years ago
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a_sh-v [17]

Answer:

Step-by-step explanation:

-5x² - 6 = -4x

-5x² + 4x - 6 = 0

a = -5  ; b = 4  ; c = -6

Discriminant = b² - 4ac

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roots = \dfrac{-b+\sqrt{D}}{2a} \ ; \   \dfrac{-b-\sqrt{D}}{2a}

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3 years ago
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Artist 52 [7]

The GCF of 16 and 40 is 8.

16/8 = 2

40/8 = 5

We can rewrite this using the distribute property like so:

<h3><u>8(2 + 5)</u></h3>

Using the distributive property:

16 + 40

16 + 40 = 56

We can also add inside the parentheses and multiply and we'll get the same answer.

8(7)

56


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Step-by-step explanation:

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