Question

Andy has two similar conical hats, Hat A and Hat B. The diameter of Hat A is 18 inches, and the diameter of Hat B is 9 inches. What is the ratio of the volume of Hat A to the volume of Hat B?

2 : 1

16 : 1

4 : 1

8 : 1

Answer 1

@eyust707 @UsArmy3947 @Preetha @Hero PLEASE IM FAILING I NEED HELP!!!! SOMEONE

Answer 2

@campbell_st @chaylacryder

Answer 3

@Loser66

Answer 4

i think its C

Answer 5

@jim_thompson5910

Answer 6

the ratio of the diameters is

18:9

which reduces to

2:1

what's the next step here?

Answer 7

@jim_thompson5910 how? since the volume is V =1/3r^2pi h. We don't know h, how can we make up that ratio?

Answer 8

the cones are similar since it's given at the top

Answer 9

so each dimension of cone A is double that of cone B

Answer 10

Thank you, I got it

Answer 11

the answer isn't 2:1 just so you know

Answer 12

its not 4 :1 either

Answer 13

that's for the surface area, but it's closer

Answer 14

can you help with another??

Answer 15

sure, I can help with a few

Answer 16

Thank You!!!!

Answer 17

np

Answer 18

A company that manufactures storage bins for grains made a drawing of a silo. The silo has a conical base, as shown below.

The figure shows a silo shaped as a closed cylinder with a conical end. The diamenter of the silo is 4 ft, the length of the cylindrical part is 8 ft, and the entire length of the silo is 9.5 ft.

What is the total volume of grains that can be stored in the silo?

34π ft3

68π ft3

136π ft3

152π ft3

Answer 19

hint:

break up the silo into two parts: a cylinder (on top) and a cone (on bottom)

find the two volumes, then add them up

Answer 20

how would i do that?

Answer 21

im very HORRIBLE at math! js

Answer 22

well this is why you practice, you'll get better

Answer 23

the silo breaks up into these two figures