Two cones are similar. The volume of the larger cone is 27 cm³ and the volume of the smaller cone is 8 cm³. The height of the sm
aller cone is 2 cm.
What is the height of the larger cone?
2 answers:
ANSWER
The height of the larger cone is 3cm
EXPLANATION
Since the two cones are similar we can use the scale factor to determine the height of the larger cone.
It was given that, the volume of the larger cone is 27 cm³ and the volume of the smaller cone is 8 cm³.
The scale factor for the volume is
![{k}^{3} = \frac{27}{8}](https://tex.z-dn.net/?f=%20%7Bk%7D%5E%7B3%7D%20%20%3D%20%20%5Cfrac%7B27%7D%7B8%7D%20)
The scale factor for the length is
![k = \sqrt[3]{ \frac{27}{8} }](https://tex.z-dn.net/?f=k%20%3D%20%20%5Csqrt%5B3%5D%7B%20%5Cfrac%7B27%7D%7B8%7D%20%7D%20)
![k = \frac{3}{2}](https://tex.z-dn.net/?f=k%20%3D%20%5Cfrac%7B3%7D%7B2%7D%20)
To find the height of the larger cone, we multiply by
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(3x+3) + (4x + 2)
------------------------- = 13
2
13(2) = (3x+3) + (4x+2)
26 = 3x + 3 + 4x + 2
26 = 7x + 5
26-5 = 7x
21 = 7x
x = 21 ÷ 7
x = 3
Answer:
You didn't add a picture so how are we supposed to see
Step-by-step explanation:
it wjrbf jwef jehf jwehf jwehf
Answer: 28
Step-by-step explanation: i got the same test
I think it would be set up as:
22/31=x/169
22*169 = 31x cross multiply
3718=31x now divide by 31
3718/31=119.94 ft = x or height of building
Answer:
oh cool good luck
Step-by-step explanation: