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LenKa [72]
3 years ago
14

Which expression gives the surface area of a sphere with radius r​

Mathematics
2 answers:
PtichkaEL [24]3 years ago
8 0

The correct answer is 4πr^2

ohaa [14]3 years ago
6 0

Answer:

Simple, 4*pi*r^2

Step-by-step explanation:

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An employee at a pet shop randomly selects two fishes from a tank where there are 5 guppies, 4 platyfishes, and 3 rasboras. What
Zarrin [17]
I believe that it is 0.6.
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Read 2 more answers
HELP ASAP!! GEOMETRY QUESTION!
levacccp [35]

Answer:

The answer is 6y - 5x = 18

Step-by-step explanation:

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2 years ago
Which geographic feature was common to the development of civilizations in ancient Egypt, China, India, and Mesopotamia?
storchak [24]
The answer is probably D 
5 0
3 years ago
Part 1
andreev551 [17]

Answer:

see explanation

Step-by-step explanation:

Part 1

The n th term of a geometric sequence is

a_{n} = a(r)^{n-1}

where a is the first term and r the common ratio

Given a_{6} = 128, then

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32a = 128 ( divide both sides by 32 )

a = 4 ← first term

Part 2

a_{21} = 4(2)^{20} = 4 × 1048576 = 4194304

6 0
3 years ago
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