Решить уравения: 1, 8/х+3=6, 3/х-2 и ещё одно: 15/2х+7=1, 5/0, 9
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ответ: во вложении Объяснение:
ЖЕДАЛЙАШОВАПРЫГНРМ ВППЦКП
Объяснение:
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а+б=14 и а²+б²=100;
а=14-б и (14-б)²+б²=100. Далее решаем правое уравнение:
196-38б+б²+б²=100;
2б²-38б+96=0;
б²-14б+48=0;
D=(-14)²-4*48=196-192=4; √D=2
б1=(14+2)/2=8 (см)
б2=(14-2)/2=6 (см)
При б1=8 см имеем а1=14-б1=6,
при б2=6 имеем а2=14-б2=8.
То есть, катеты могут быть равны как 8 и 6 см соответственно, так и 6 и 8 см соответственно.
ответ: 8 см и 6 см
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