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3 years ago

YEAH i need HELp sadcjbejlfbcrh

Mathematics

2 answers:

BartSMP [9]3 years ago

7 0

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I’m pretty sure this is the answer hope this helps

Nonamiya [84]3 years ago

3 0

Answer:

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3.=

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Step-by-step explanation:

I’m pretty sure it’s this

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The object below was made by placing a cone on top of a cylinder. The base of the cone is congruent to the base of the cylinder.

Ber [7]

Answer:

Part 1) The volume of the object is $32\pi\ cm^{3}$ or $100.48\ cm^{3}$

Part 2) see the procedure

Step-by-step explanation:

The picture of the question in the attached figure

Part 1) What is the volume, in cubic centimeters, of the object?

we know that

The volume of the object is equal to the volume of the cylinder plus the volume of the cone

Find the volume of the cone

The volume of the cone is equal to

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

we have

$r=4/2=2\ cm$ -----> the radius is half the diameter

$h=3\ cm$

substitute the values

$V=\frac{1}{3}\pi (2^{2})(3)=4\pi\ cm^{3}$

Find the volume of the cylinder

The volume of the cylinder is equal to

$V=\pi r^{2} h$

we have

$r=4/2=2\ cm$ -----> the radius is half the diameter

$h=(10-3)=7\ cm$

substitute the values

$V=\pi (2^{2})(7)=28\pi\ cm^{3}$

Part 2) Then explain how you found the volume of the total shape

The volume of the total shape is equal to the volume of the cylinder plus the volume of the cone

$4\pi\ cm^{3}+28\pi\ cm^{3}=32\pi\ cm^{3}$ ------> exact value

Find the approximate value of the volume

assume

$\pi=3.14$

$32(3.14)=100.48\ cm^{3}$

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3 years ago

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A florist sells bouquets that use Rose's and carnations in a ratio of 2 to 7. she receives a shipment of 343 carnations. how man

REY [17]

Answer: 98 roses

Step-by-step explanation: 2:7 is like x:343

343 divided by 7 is 49, so that is what you multiply 2 by to get the roses. 49 x 2 = 98

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Someone help me please

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What is the volume of this rectangular pyramid? 3 in 3 in

Iteru [2.4K]

Answer:

Step-by-step explanation:3x3=9

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What is -7x-3 (9-7x)

Angelina_Jolie [31]

Hello,

First, you distribute:
−7x+(−3)(9)+(−3)(−7x) and it turns into −7x+−27+21x

Next, you must combine like terms:
−7x+−27+21x = (−7x+21x)+(−27) = 14x+−27

So, 14x-27 is your total answer.

I hope I helped :)

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3 years ago