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3 years ago

10

Plz help meeeeeeeeeeeeeeeeeee

2 answers:

storchak [24]3 years ago

4 0

Answer:

3

Step-by-step explanation:

Triss [41]3 years ago

4 0

Answer:

3

Step-by-step explanation:

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Solve the following system of equations: <br> x − 2y = 5<br> 2x − 4y = 10

emmasim [6.3K]

$\left\{\begin{array}{ccc}x-2y=5\\2x-4y=10&|divide\ both\ sides\ by\ (-2)\end{array}\right\\\\\underline{+\left\{\begin{array}{ccc}x-2y=5\\-x+2y=-5\end{array}\right}\\.\ \ \ \ \ \ \ \ \ \ \ 0=0-true\\\\Answer:infinitely\ many\ solutions\ \left\{\begin{array}{ccc}x\in\mathbb{R}\\y=\dfrac{x-5}{2}\end{array}\right$

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3 years ago

Find the domain of the rational expression: x-3/2x-8

miss Akunina [59]

Answer:

$\huge\boxed{x\neq4\to x\in\mathbb{R}\backslash\{4\}}$

Step-by-step explanation:

$\dfrac{x-3}{2x-8}$

We know: the denominator must be different than 0.

Therefore

$2x-8\neq0$ <em>add 8 to both sides</em>

$2x-8+8\neq0+8$

$2x\neq8$ <em>divide both sides by 2</em>

$\dfrac{2x}{2}=\dfrac{8}{2}\\\\x\neq4$

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3 years ago

In triangle ABC below, BD is the altitude. Point A represents Omari's house, point C represents the restaurant where Omari works

tester [92]

Answer:

B

Step-by-step explanation:

B

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2 years ago

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Kryger [21]

Answer:

Dilation is a transformation that either reduces or enlarges an object in the coordinate plane.

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Find the product.<br> enter your answer in simplest form.<br><br> 6x2/3 = _=_

Ivenika [448]

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Step-by-step explanation:

6 • 2/3 =
12/3 =
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