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2 years ago

9

Can you explain the standard form of this and explain the polynomail by degree of this equation

1 answer:

Svetach [21]2 years ago

7 0

Answer:

Standard form:: Ax + By=C

Step-by-step explanation:

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Solve the following system using the addition method:

Natasha2012 [34]

<u>Answer:</u>

(x, y) = (1, 1)

<u>Step-by-step explanation:</u>

$-27x + 6y = -21$ --- (1)

$-12x +3y = -9$ --- (2)

Multiplying (2) by -2 to get:

$24 x - 6 y = 1 8$ --- (3)

Adding (1) and (3) to get:

$-27x + 6y = -21$

$24x-6y=18$

------------------------------------

$-3x=-3$

x = 1

Finding y:

$-12(1) +3y = -9$

$3y=-9+12$

$3y=3$

y = 1

Therefore, (x, y) = (1, 1).

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3 years ago

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dexar [7]

31.88 is the price 212.50*15% equals 31.88

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2 years ago

Which pair of lines appears to be perpendicular?<br> ОА.<br> +XI<br> B

Rasek [7]

It’s the last one because yeah

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2 years ago

If measure of arc cr=130.how much is the measure of angle car?

LenaWriter [7]

The measure of angle CAR is 65 degrees!

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3 years ago

The roots of x2 -( ) +34 are 5 -/+3i

asambeis [7]

Answer: 10

Step-by-step explanation:

Vieta's formulas :

5 - 3i + 5 + 3i = b ⇒ b =10

Now, we have the equation:

x² -10x + 34 = 0

Mark me brainliest

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2 years ago