if its diameter is 12, then its radius is half that or 6.
![\textit{volume of a sphere}\\\\ V=\cfrac{4\pi r^3}{3}~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ r=6 \end{cases}\implies V=\cfrac{4\pi (6)^3}{3}\implies V=\cfrac{4}{3}\cdot \pi \cdot 6^3 \\\\\\ V=\cfrac{864}{3}\cdot \pi \implies V=\cfrac{864}{3}\cdot 3.14\implies V\approx 904.32~cm^3](https://tex.z-dn.net/?f=%5Ctextit%7Bvolume%20of%20a%20sphere%7D%5C%5C%5C%5C%20V%3D%5Ccfrac%7B4%5Cpi%20r%5E3%7D%7B3%7D~~%20%5Cbegin%7Bcases%7D%20r%3Dradius%5C%5C%5B-0.5em%5D%20%5Chrulefill%5C%5C%20r%3D6%20%5Cend%7Bcases%7D%5Cimplies%20V%3D%5Ccfrac%7B4%5Cpi%20%286%29%5E3%7D%7B3%7D%5Cimplies%20V%3D%5Ccfrac%7B4%7D%7B3%7D%5Ccdot%20%5Cpi%20%5Ccdot%206%5E3%20%5C%5C%5C%5C%5C%5C%20V%3D%5Ccfrac%7B864%7D%7B3%7D%5Ccdot%20%5Cpi%20%5Cimplies%20V%3D%5Ccfrac%7B864%7D%7B3%7D%5Ccdot%203.14%5Cimplies%20V%5Capprox%20904.32~cm%5E3)
Answer:
So they have a 24 dollar design fee, and 2 dollars per hat. You have to calculate the cost of 4 hats that are 2 dollars each, plus the design fee of 24 dollars
Step-by-step explanation:
See the attached picture for solution:
15% of R560 - 15% of R500
=> 0.15 × 560 – 0.15 × 500
=> 0.15 ( 560–500)
=> 0.15 × 60
=> Rs. 9
HOPE IT HELPS
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The answer for this one is 29 and 13. Hope it help!