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Alex73 [517]
3 years ago
12

What is the simplified expression for the expression below?

Mathematics
2 answers:
givi [52]3 years ago
5 0
-1(2x+3)-2(x-1)
-2x-3-2x+2
-4x-1
Kitty [74]3 years ago
4 0

Answer:

The correct option is 4.

Step-by-step explanation:

The given expression is

-1(2x+3)-2(x-1)

Using distributive property we get

-1(2x)-1(3)-2(x)-2(-1)

On further simplification we get

-2x-3-2x+2

Combined like terms.

(-2x-2x)+(-3+2)

(-4x)+(-1)

-4x-1

The simplified form of given expression is –4x – 1.

Therefore the correct option is 4.

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In Smallille, 2,400 out of 20,000 workers are unemployed.In Bigtown, 6,750 out of 75,000 workers are unemployed. Which town has
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3 years ago
Y=-2/3x+3 please show the work thank you ;)
Ivahew [28]

Answer:

Step-by-step explanation:

Looking at y=-%282%2F3%29x%2B3 we can see that the equation is in slope-intercept form y=mx%2Bb where the slope is m=-2%2F3 and the y-intercept is b=3

Since b=3 this tells us that the y-intercept is .Remember the y-intercept is the point where the graph intersects with the y-axis

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Now since the slope is comprised of the "rise" over the "run" this means

slope=rise%2Frun

Also, because the slope is -2%2F3, this means:

rise%2Frun=-2%2F3

which shows us that the rise is -2 and the run is 3. This means that to go from point to point, we can go down 2 and over 3

So starting at , go down 2 units

and to the right 3 units to get to the next point

Now draw a line through these points to graph y=-%282%2F3%29x%2B3

So this is the graph of y=-%282%2F3%29x%2B3 through the points  and

3 0
3 years ago
Find the equation in general form of the circle with center at the origin and radius equal 6.
____ [38]
\bf \textit{equation of a circle}\\\\ 
(x-{{ h}})^2+(y-{{ k}})^2={{ r}}^2
\qquad 
\begin{array}{lllll}
center\ (&{{ h}},&{{ k}})\qquad 
radius=&{{ r}}\\
&0&0&6
\end{array}\\\\
-------------------------------\\\\
(x-0)^2+(y-0)^2=6^2\implies x^2+y^2=36
3 0
3 years ago
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