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Машинистка должна была напечатать за определенное время 200 страниц. печатая в день на 5 страниц больше чем планировала. она завершила работу на 2 дня раньше срока.сколько страниц в день печатала машинистка?

Математика

Ответы

hrim5736

короче составляешь системуxy=200(x+5)(y-2)=200

получается x=20 y=10

ответ 20 стр.

 

 

Vika-simonenko

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Пошаговое объяснение:

nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn

yyynfffffffffffffffffffeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyygggggggggggggggggggggggggggggggggggggggggggggggggggggggfjhdtyjjtfuyjfggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttffffffffffffffffffffffffshttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffgffffffffffffffffffffffffffsıynvkerhg

sergeylive

Пошаговое объяснение:

1" class="latex-formula" id="TexFormula2" src="https://tex.z-dn.net/?f=%5Csin%20x-%5Ccos%20x%3E1" title="\sin x-\cos x>1">

Рассмотрим выражение слева от знака неравенства.

Продолжим решение:

1\\\sin\left(x-\dfrac{\pi}{4} \right)>\dfrac{1}{\sqrt{2}}" class="latex-formula" id="TexFormula4" src="https://tex.z-dn.net/?f=%5Csqrt%7B2%7D%5Csin%5Cleft%28x-%5Cdfrac%7B%5Cpi%7D%7B4%7D%20%5Cright%29%3E1%5C%5C%5Csin%5Cleft%28x-%5Cdfrac%7B%5Cpi%7D%7B4%7D%20%5Cright%29%3E%5Cdfrac%7B1%7D%7B%5Csqrt%7B2%7D%7D" title="\sqrt{2}\sin\left(x-\dfrac{\pi}{4} \right)>1\\\sin\left(x-\dfrac{\pi}{4} \right)>\dfrac{1}{\sqrt{2}}">

Решить это неравенство не составляет труда:

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Машинистка должна была напечатать за определенное время 200 страниц. печатая в день на 5 страниц больше чем планировала. она завершила работу на 2 дня раньше срока.сколько страниц в день печатала машинистка?
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