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3 years ago

One equation in a system of linear equations is y=2x+1

Mathematics

1 answer:

e-lub [12.9K]3 years ago

6 0

Answer:b

Step-by-step explanation:

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liraira [26]

The ratios should be,
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12, 1;2
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I'm not sure about 13

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3 years ago

If you follow the steps necessary to prove that square root 7 is irrational (use a proof by contradiction) to prove that square

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Sorry, i wish i could help, but really the only thing i know is that 4 is 2 by 2 so using another equation to try to prove otherwise is irrational in itself

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3 years ago

HELP!!! A LOT OF POINTS!!!

Tpy6a [65]

Answer: Last option.

Step-by-step explanation:

For this exercise you need to find the Discriminant.

The formula used to find the Discriminant, is the following:

$D=b^2-4ac$

In this case, given the Quadratic equation:

$6x^2-2x+7=0$

You can identify that:

$a=6\\b=-2\\c=7$

Knowing those values, you must substitute them into the formula and then you must evaluate in order to find the Discriminant.

You get that this is:

$D=(-2)^2-4(6)(7)\\\\D=-164$

By definition, if:

$D$

Then the Quadraitc equation has 2 nonreal solutions.

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3 years ago

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3 years ago

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77julia77 [94]

6(3x + 4) + 5(12-x) simplifies to

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3 years ago

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