3 years ago

Tìm x,y thỏa mãn: x^2-2xy+3y-5x+7=0

1 answer:

7 0

I think there's an error with this question. Mind to check it back and tell me the detail?

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Elza [17]

Answer:

-4/3

Step-by-step explanation:

3 5/9= 32/9 and -2 2/3=-8/3 So, 32/9 * -3/8=-4/3 :)

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3 years ago

sukhopar [10]

Answer:

4^6

Step-by-step explanation:

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3 years ago

inna [77]

Answer:

(A) -8

Step-by-step explanation:

∆=b^2 -4ac= (-4)^2-4(2)(3)= -8

Since discriminant<0, then the equation has no roots.

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3 years ago

mihalych1998 [28]

The answer for this math equation is 8.

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3 years ago

Natali [406]

Answer:

she bought 5 erasers

Step-by-step explanation:

25-5 is 20 and 20 divided by 4 is 5

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3 years ago