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preshoo9941
09.12.2020 •
Mathematics
The store buys shoes at a wholesale price of $50, and their markup is 42%. What is the retail price?
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Ответ:
Option (a) is correct.
The volume of given cone is 72π cubic units.
Step-by-step explanation:
Given : A cone has a diameter of 18 units and height of 8 units.
We have to determine the volume of the given cone.
We know Volume of cone =![\frac{1}{3} \pi r^2 h](/tpl/images/0377/8837/76532.png)
Where r is radius of cone
h is the height of cone
Given : diameter = 18units so, radius is half of diameter = 9 units
height = 8 units
Substitute, we have,
Volume of cone =![\frac{1}{3} \pi\cdot (9)^2\cdot 8](/tpl/images/0377/8837/93238.png)
Simplify, we have,
Volume of cone =![72\pi](/tpl/images/0377/8837/088a7.png)
Thus, the volume of given cone is 72π cubic units.
Option (a) is correct.