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Luden [163]
2 years ago
10

Please help me. Show the work please.

Mathematics
2 answers:
Tamiku [17]2 years ago
5 0
Answered only #11,15,17,18

ipn [44]2 years ago
3 0
The picture is bad so,I can't help you
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The diagram shows a solid formed by joining a hemisphere, of radius rcm, to a cylinder, of radius rcm and height hcm. The total
posledela

Answer:

Step-by-step explanation:

The total surface area of the sphere = 2πr²

Total surface area of the cylinder = 2πr²+2πrh

Total surface area of the solid = 4πr²+2πrh

r is the radius of the sphere and the cylinder

h is the height of the cylinder

Total surface area of the solid = 2πr(r+h)

If the total height of the solid is 18 cm, then r+h = 18cm

Given the Total surface area of the solid = 205π cm

205π = 2πr(r+h)

205π = 2πr(18)

205π = 36πr

205 = 36r

Divide both sides by 36

205/36 = 36r/36

r = 5.69cm

Since  r+h = 18cm

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h = 18-5.69

h = 12.31cm

6 0
3 years ago
PLEASE ANSWER!!
ohaa [14]

Answer: 5 games

Step-by-step explanation: They need to win half their games for a .500 record and half or 30 is 15. They already won 10 so they need to win 15- 10 = 5 more games to have a .500 record.

3 0
2 years ago
PLSSS HELP IF YOU TURLY KNOW THISS
amm1812

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hope this helps, good luck! :)

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Calculate (2z + 3)? when <br> z= = 8
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Answer:

19

Step-by-step explanation:

2(8)+3

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Hope this helps. Have a nice day you amazing bean child.

7 0
3 years ago
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