1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Thepotemich [5.8K]
2 years ago
11

A solid cone of height 12cm and radius 9cm is recast into a solid sphere. Calculate the surface area of the sphere​

Mathematics
2 answers:
Nana76 [90]2 years ago
7 0

Answer:

1017.8

Step-by-step explanation:

this is the formula 4πr2

hope this helps: )

Fofino [41]2 years ago
3 0

Answer:

Step-by-step explanation:

Volume of cone = π9²⋅12/3 = 324π cm³

volume of sphere = 4πr³/3 = 324π

r = ∛243

surface area of sphere = 4πr² ≈ 155.8π

You might be interested in
Please help me with this​
kolbaska11 [484]

Answer:

c

Step-by-step explanation:

but its a negative 2 so but it would be 4 times 2 its 4 times negative 4

3 0
3 years ago
You plan to purchase a bike costing $795. write an equation that could be used to find the amount m, that you must save per mont
Galina-37 [17]
Let
m-------> <span>the amount that you must save per month

we know that
total cost of a bike=$795
5*m=795----------> equation </span><span>that could be used to find the amount m
divide by 5 both sides
m=795/5
m=$159

the answer is
</span>the equation that could be used to find the amount m is
<span>5m=795

</span>
6 0
2 years ago
Please I need this ASAP will give you the Brainiest answer.
k0ka [10]

Answer:

D

Step-by-step explanation:

5 0
2 years ago
10(x+12)=15x solve for x with how ?
ankoles [38]

Answer:

x = 24

Step-by-step explanation:

10(x+12)=15x  (Given)

10x + 120 = 15x (Distributive property of equality)

-5x = -120 (Subtraction property of equality)

x = 24 (Division property of equality)

7 0
2 years ago
Read 2 more answers
Please answer this. Thank you!
Nikitich [7]

Answer:

8: 73.2 cm

10: 738 mm

Step-by-step explanation:

8: A= 12.2 (4.5 + 7.5) / 2 --> 146.2 / 2 = 73.2 cm

10: A= 36 (22 + 19) / 2 --> 1,476 / 2 = 738 mm

8 0
2 years ago
Read 2 more answers
Other questions:
  • Estimate the domain
    10·2 answers
  • What is 77/8 in simplest form
    6·1 answer
  • If 9&lt;15mx-8&lt;27, where m is a positive constant, what is the possible range of values of 8/3 -5mx?
    7·2 answers
  • Distribute and simplify: 2(h - 4)
    6·2 answers
  • If x = 4, y = 2, and z = 10, evaluate the following expression: yz(x + y) – x? Enter​
    14·2 answers
  • From 5 metres of cloth Alexa cut 217 cm how much cloth remaining after cutting​
    5·2 answers
  • Can someone make a equation using the graph please
    9·1 answer
  • Help i don't know what i'm doing​
    15·1 answer
  • The function f(x)=2^x and g(x)=f(x)+k if k=2 what can be concluded about the graph of g(x)?
    9·1 answer
  • Solve for x -3x &gt; 12
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!