There are 25 employees in a office.22 have cell phones 19 have cars, and 2 have niether. How many employees have both.
1 answer:
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Answer:
<h2>A) 3 cm</h2>Step-by-step explanation:
The formula of a volume of a cylinder:
r - radius
H - height
We have r = 1cm and H = 21cm. Substitute:
The formula of a cone:
r - radius
H - height
We have V = 21π cm³ and H = 7cm. Substitute:
<em>divide both sides by π</em>
<em>divide both sides by 7</em>
<em>multiply both sides by 3</em>