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3 years ago

Answer for 4x+4=2x+8

Mathematics

2 answers:

abruzzese [7]3 years ago

7 0

Answer:

x=2

Step-by-step explanation:

-BARSIC- [3]3 years ago

3 0

Hello there!

4x + 4 = 2x + 8

Move 4 by subtracting 4 from both sides.

4x = 2x + 4

Move 2x by subtracting 2x from both sides.

2x = 4

Divide both sides by 2 to get x.

2x/2 = x

4/2 = 2

x = 2

Therefore, the value of x is 2.

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Three towns divided highway repair costs equally.

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Step-by-step explanation:

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3 years ago

The table represents a linear equation. Which equation correctly uses point (–2, –6) to write the equation of this line in point

sineoko [7]

Answer:

$y+6=m(x+2)$

where I would have to look at the table to know $m$ .

Step-by-step explanation:

Point-slope form of a line is

$y-y_1=m(x-x_1)$

where $m \text{ is the slope and } (x_1,y_1) \text{ is a point on that line}$

You are given $(x_1,y_1)=(-2,-6) \text{, but no value for }m$ .

So we know we are looking for an equation that looks like this:

$y-(-6)=m(x-(-2))$

If you simplify this looks like:

$y+6=m(x+2)$

6 0

3 years ago

Read 2 more answers

15 points if you complete it <3

liberstina [14]

Answer:

3:0.5, 9:1.5, 6:1, 33: 5.5, 12:2, 39:6.5, 15:25.

the unit rate of eggs per 1 kg of flour = 6 eggs/1 kg of flour

Step-by-step explanation:

Usually tables go in ascending numerical order...the numbers only go up, reading from right to left. But the math for this has the numbers kind of jumping around.

3/0.5 = 9/x, then cross-multiply,

3x = 9(0.5)

3x = 4.5 then divide by 3

x = 1.5

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

3/0.5 = x/1

3 = 0.5x

6 = x

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

If you need me to keep showing the math for the rest of the table, let me know.

3 0

3 years ago

Convert the angle \theta=\dfrac{8\pi}{9}θ=

Olegator [25]

Answer:

160°

Step-by-step explanation:

-Given the angle in radians as $\theta=\dfrac{8\pi}{9}\ rad$

-We know that $1 \ rad=\frac{180}{\pi}\textdegree$

-Let our angle theta be X

#We therefore equate and cross multiply:

$1\ rad=\frac{180}{\pi}\\\\\frac{8\pi}{9}=x\\\\\therefore X=\frac{180}{\pi}\times \frac{8\pi}{9}\\\\=160\textdegree$

Hence, angle θ is 160°

8 0

3 years ago