Question

a cylindrical flower vase is 3 inches across the top and 9 inches high. how much water can it hold?
a. 63.6 cu. in.
b. 254.3 cu. in.
c. 169.6 cu. in
d. 127.2 cu. in.

Answer 1

196.25 cubic inches of water

Answer 2

use 3.14 for pi and round your answer to the nearest tenth

Answer 3

since its asking how much it holds you need the volume

Answer 4

still stuck );

Answer 5

196 isnt an option

Answer 6

\[v=\pi~r^2h\]

Answer 7

can you plug in the numbers from here?

Answer 8

idk how to calculate that and what numbers to use

Answer 9

well
3 inches across = radius
9 inches high = height

Answer 10

plug in the numbers from here

Answer 11

do i multiply each of those by 3.14?

Answer 12

\[v=(3.14)3^29\]

Answer 13

wait i think im doing something wrong @dtan5457

Answer 14

i got 254 so its b right??!!!!

Answer 15

im not sure im hoping dan will double check it looks right to me

Answer 16

i was think you have to split the 3 to get the radius...

Answer 17

^yeah, lol.

3 inches ACROSS the top, that's not the radius ;p

Answer 18

If it helps for a visuall.

Answer 19

so we would divide i was right!! YAY!! :D

Answer 20

blue potato is the awnser

Answer 21

Yeah, so just fix the 3 to a 1.5 and solve again

Answer 22

hmm my medal goes to dtan

Answer 23

\[v=(3.14)(1.5^2)(9)\]

Answer 24

@mikepeters1994 get back here

Answer 25

so its not b??

Answer 26

no sir its not

Answer 27

its a!!

Answer 28

well done :)

Answer 29

ty!

Answer 30

good job mr. peters

Answer 31

can u guys help me with one more question?

Answer 32

sure

Answer 33

ok ill make another post