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grigory [225]
2 years ago
10

What is the Surface Area (SA) of a sphere that has a diameter of 4?

Mathematics
1 answer:
Elza [17]2 years ago
8 0

Answer:

50.24

Step-by-step explanation:

radius R = 2

SA = 4πR^2 = 4π*2^2 = 16π = 16*3.14 = 50.24

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HELP pleaseeee (probability again)
ICE Princess25 [194]

Answer:

Event A - 1/3

Event B - 4/9

Step-by-step explanation:

Add them together 3+4+2= 9

then put them in to fractions...

3 0
2 years ago
I need help please ​
WITCHER [35]

Answer:

358in

Step-by-step explanation:

Use CAH or Cos()=(adj/hyp)

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Re-Write the equation as h=(290/cos(36)) to get 358 inches

5 0
2 years ago
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Please I really need help
Lubov Fominskaja [6]

Answer:

a: 130

b: 130

c: 50

Step-by-step explanation:

a straight line has an angle of 180, so those two angles are going to add up to 180. and opposite angles are equivalent

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3 years ago
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What is the greatest common factor of 63b^2c^4 and 42b^3c^2
Arte-miy333 [17]

Factor out the GCF of  

21

b

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c

2

from  

63

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+

42

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.

Tap for fewer steps...

Factor out the GCF of  

21

b

2

c

2

from each term in the polynomial.

Tap for fewer steps...

Factor out the GCF of  

21

b

2

c

2

from the expression  

63

b

2

c

4

.

21

b

2

c

2

(

3

c

2

)

+

42

b

3

c

2

Factor out the GCF of  

21

b

2

c

2

from the expression  

42

b

3

c

2

.

21

b

2

c

2

(

3

c

2

)

+

21

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2

c

2

(

2

b

)

Since all the terms share a common factor of  

21

b

2

c

2

, it can be factored out of each term.

21

b

2

c

2

(

3

c

2

+

2

b

)

The greatest common factor  

GCF

is the term in front of the factored expression.

21

b

2

c

2

6 0
3 years ago
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What is the missing number in the pattern above? 12,84,588,___,28,812
lara31 [8.8K]

Answer:

4,116

Step-by-step explanation:

Multiply by 7

12x7=84

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and 588x7=4,116

So there's your answer 4,116

8 0
2 years ago
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