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4 years ago

Solve by Substitution 2x + y = 3 4x + 4y = 8

Mathematics

1 answer:

Elden [556K]4 years ago

3 0

Answer:

2x + y = 3 => y = 3-2x

then

4x+4(3-2x) = 8

4x+12-8x= 8

-4x = -4

x=1

y=3-2*1 = 1

Step-by-step explanation:

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What is the solution to this equation?

hram777 [196]

Answer:

Option A

Step-by-step explanation:

x + 8 = -3

x + 8 - 8 = -3 - 8

x = - 11

6 0

4 years ago

Read 2 more answers

PLEASEEE HELLPP!!!!<br> please don’t answer if you don’t know this is a exam

tensa zangetsu [6.8K]

Answer
C

Explanation
There are no repeating numbers for x

4 0

3 years ago

Given the points A(0,0) B(6,3) and C(1.5,0.75) find the ratio that point C partitioned segment AB.

sertanlavr [38]

Answer:

The ratio of AC to CB is 1.677 to 5.03

Step-by-step explanation:

Step 1: Finding the distance of AC

By using distance formula

$AC = \sqrt{(x_2 -x_1)^2 + (y_2 -y_1)^2}$

Substituting the values

$AC = \sqrt{(1.5 -0)^2 + (0.75 -0)^2}$

$AC = \sqrt{(1.5 )^2 + (0.75)^2}$

$AC = \sqrt{2.25 +0.5625 }$

$AC = \sqrt{2.8125 }$

AC= 1.677

Step 2: Finding the distance of CB

$CB = \sqrt{(6 - 1.5)^2 + (3 - 0.75)^2}$

Substituting the values

$CB = \sqrt{(4.5)^2 + (2.25)^2}$

$CB = \sqrt{(20.25) + (5.0625)}$

$CB = \sqrt{25.3125}$

CB = 5.03

The Ratio is 1.677 to 5.03

3 0

3 years ago

Write an equation for each translation of Y=|x|.

Digiron [165]

$\boxed{y=\mid x \mid +14}$

<h2>Explanation:</h2>

Let's graph the equation:

$y=\mid x \mid$

Which is the red graph shown below. As you can see this is the pattern of the Absolute Value Function. In order to translate this graph 14 units up, let's add 14 to $\mid x \mid$ . In doing so we get the new function:

$y=\mid x \mid + 14$

So we get a new graph which is the blue one. In order to prove that this is the correct translation, let's take the vertex of the red graph which is the origin. To translate this graph 14 units up implies that each point is shifted 14 units up, so for the vertex of the red graph:

$Vertex \ of \ the \ red \ graph: \\ \\ V(0,0) \\ \\ \\ Vertex \ of \ the \ new \ graph: \\ \\ (0,0+14) \\ \\ (0,14)$

So the new vertex matches the vertex of the blue graph. Finally, the equation for the translation of $y=\mid x \mid$ 14 units up is $y=\mid x \mid +14$

<h2>Learn more:</h2>

Horizontal and vertical shift: brainly.com/question/13774447#

#LearnWithBrainly

6 0

3 years ago

Match the following.

WITCHER [35]

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7 0

4 years ago