4 years ago

I really need some help it's hard to understand!

2 answers:

5 0

Answer:

the answer is a

Step-by-step explanation:

mamaluj [8]4 years ago

3 0

Answer:

A.272 $\pi$

Step-by-step explanation:

The radius is 8

=16/2

$SA=2\pi rh+2\pi r^2\\=2(\pi )(8)(9)+2(\pi)(8)^2\\=2(\pi )(72)+2(\pi )(64)\\=(144)\pi +(128)\pi \\=272\pi$

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Natasha2012 [34]

Answer:

Step-by-step explanation:

I think so because its bigger than A but they both are x I'm pretty sure but b I think is the answer

8 0

3 years ago

Elodia [21]

Set up as a proportion

90/6 = 300/x
multiply 90x=6(300)
90x = 1800
divide both sides by 90
x=20

8 0

4 years ago

WINSTONCH [101]

   C = 2πr
   17 = 2(3.14)(r)
   17 = 2(3.14r)
   17 = 6.28r
6.28   6.28
2.71 ≈ r

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4 years ago

sergeinik [125]

The right answer is true

8 0

3 years ago

amm1812

4.58 x 10^-5

hope I helped

3 0

3 years ago