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3 years ago

A cone and a cylinder have the same height and their bases are congruent circles

Mathematics

2 answers:

Mamont248 [21]3 years ago

8 0

Answer:

30 cm ^ 3

Step-by-step explanation:

So the volume of a cylinder is πr^2 * h

The volume of a cone is πr^2 * h / 3

I feel like all you have to do is divide the volume of the cylinder by 3

90 / 3 = 30

Mice21 [21]3 years ago

5 0

Answer:

30 cm³

Step-by-step explanation:

As the cylinder and cone have same radius and height , volume of cone is ⅓ of volume of cylinder . You may check its always true.

So volume of cone = ⅓ × 90 = 30 cm³

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X^2-5x=14 solve for x

elixir [45]

Answer:

x=7, -2.

Step-by-step explanation:

x^2-5x=14

x^2-5x-14=0

factor out the trinomial,

(x-7)(x+2)=0

zero property,

x-7=0, x+2=0,

x=0+7=7,

x=0-2=-2

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3 years ago

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Raul is building a house. On day 1, he uses 3 bags of cement. On each of the following 3 days, he uses 3 times the number of bag

Ksivusya [100]

18bags
Look if 1=3 2=9 3= 18 so he uses 18 bags!

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4 years ago

Match the term with the definition.

Bingel [31]

Answer:

A. Perpendicular Lines

B. Circle

C. Angle

D. Plane

E. Parallel Lines

Hope this helped! Mark as Brainliest Please! :)))

Step-by-step explanation:

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3 years ago

What is the simplified form of 3.1 - 5.8n - 4n + 8?

lana66690 [7]

Answer:

-9.8n + 11.1

Step-by-step explanation:

1. Combine like terms

-5.8n - 4n = -9.8n

3.1 + 8 = 11.1

2. -9.8n +11.1

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3 years ago

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Will mark as brainliest if correct

lana [24]

Answer:

wala sa choices ang sagot.

ANS: 128

EXPLANATION

a(9)=14+2(9-1)

a(9)=14+2(8)

a(9)=16(8)

9= 128

yan sagot ko po

4 0

3 years ago