Mathematics, 20.06.2020 20:57 kieante01
An inlet pipe can fill a tank in 10 minutes. A drain can empty the tank in 12 minutes. If the tank is empty, and both the pipe and drain are open, how long will it take before the tank overflows?
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Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.
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Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x
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An inlet pipe can fill a tank in 10 minutes. A drain can empty the tank in 12 minutes. If the tank i...
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