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Mathematics, 21.06.2019 13:30
In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w
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Mathematics, 21.06.2019 16:00
Write two subtraction equations that are equivalent to 5 + 12 = 17.
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Mathematics, 21.06.2019 20:00
Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.
Answers: 1
Which expression is equivalent to 4 - 10(9m-7)...
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