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grandymaker [24]

2 years ago

6

Help, and I just reviewed this screenshot too So it's NOT BLURRRY, if you have anything to say, pls just say it under the "ask a

bout question" part

1 answer:

KiRa [710]2 years ago

3 0

1 8/4 so you add them and get yo answer then make it into a improper fraction

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What is the volume of the composite figure? (Round to the nearest hundredth. Use 3.14 for Pi.)

Natasha2012 [34]

The volume of composite figure is 385.17 cubic centimeters, if a half sphere and cone have a radius of 4 centimeters and height of 15 centimeters.

Step-by-step explanation:

The given is,

Composite figure is combination of a half sphere and cone

Both have a radius of 4 centimeters

The cone has a height of 15 centimeters

Step:1

Volume of composite figure = Volume of half sphere + Volume of cone

Step:2

Formula for volume of semi sphere,

$Volume of half sphere, V_{Half sphere} = \frac{2}{3} \pi r^{3}$

Where, r - Radius of Half sphere,

From given, r = 4 centimeters

$V_{Half sphere} = \frac{2}{3} \pi 4^{3}$

$= (0.6667) (3.14) (64)$ (∵ $\pi$ = 3.14 )

$V_{Half sphere}$ = 133.9733 cubic centimeters

Formula for volume of cone,

$Volume of cone, V_{cone} = \frac{1}{3} \pi r^{2} h$

where, r - Radius of cone

h - Height of cone

From given,

r = 4 centimeters

h = 15 centimeters

Volume of cone,

$V_{cone} = \frac{1}{3} \pi 4^{2}(15)$

$= (0.333333) (3.14)(16)(15)$ (∵ $\pi$ = 3.14 )

$V_{cone}$ $= 251.1997$ cubic centimeters

Step:3

Volume of composite figure = 133.9733 + 251.1997

Volume of composite figure = 385.17 cubic centimeters

Result:

The volume of composite figure is 385.17 cubic centimeters, if a half sphere and cone have a radius of 4 centimeters and height of 15 centimeters.

4 0

3 years ago

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The cake store is having a 30% percent off sale on all of its cakes. If the cake you want regularly costs $10, how much would yo

Akimi4 [234]

30% of £10 = £3
30% discount = £10 - £3 = £7
Cake costs £7

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In ΔXYZ, m∠X = 90° and m∠Y = 30°. In ΔTUV, m∠U = 30° and m∠V = 60°. Which is true about the two triangles?

-Dominant- [34]

The best option is A. Both are right triangles.

6 0

3 years ago

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Marcel brought in 40 cookies to share equally with his classmates.

klemol [59]

Answer: A

Step-by-step explanation: you would multiply

3 0

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Express 61% as a fraction in its lowest form

In-s [12.5K]

Answer:

3/5

Step-by-step explanation:

Yeah

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2 years ago