ziazozaya
08.07.2019 •
Mathematics
The resistance,r(in ohms), of a wire varies directly with the length, l(inc) of the wire and inversely with the cross sectional are a(in cm2). a 500 cm piece of wite with a radius of 0.2 cm has a resistance of 0.025 ohm.find an equation that relates these variables.
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Ответ:
your friend is not correct. You need to sell 90 tickets
Step-by-step explanation:
75 tickets X 8 = 600 ( remember you need 120 extra to pay supplies cost, so you need to sell 90 tickets and the costs is $ 8 per tickets)
let's say now.
90 tickets X 8 = 720.
720- 120= 600