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IceJOKER [234]
3 years ago
8

Simplify. -y -7x + 7y The simplified expression is ___y - ____x.

Mathematics
1 answer:
goblinko [34]3 years ago
8 0

Answer:

the simplified expression is: 6y-7x

Step-by-step explanation:

-y+7y= 6y

           -7x

           = 6y-7x

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3 years ago
Which number will make the fractions equivalent 25/35
ikadub [295]
You could make an equivalent fraction by multiplying both numbers by 2.

25*2=50\\35*2=70\\ \\ \frac{50}{70}


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3 years ago
Please Help!!
LuckyWell [14K]

the discriminant is:

D = (-1)^2 - 4*(-2)*6 = 49

We have a positive discriminant, which means that we have two real solutions.

<h3>How to find the discriminant?</h3>

For the general quadratic equation, the discriminant is:

a*x^2 + b*x + c = 0

The discriminant is:

D = b^2 - 4ac

In this case, the quadratic equation is:

6*x^2 - x - 2 = 0

Then we have:

a = 6, b = -1, c = -2

Replacing that in the discriminant equation:

D = (-1)^2 - 4*(-2)*6 = 49

We have a positive discriminant, which means that we have two real solutions.

If you want to learn more about quadratic equations:

brainly.com/question/1214333

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