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Lerok [7]
4 years ago
15

Use substitution to solve the system of equations.

Mathematics
1 answer:
Fittoniya [83]4 years ago
4 0

Answer:

the answer of the equation is (x,y)= (3.75,5.5)

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If 3x is one factor of 3x^2-9x what is the other factor
Masteriza [31]
The other factor would be 9x
6 0
4 years ago
Think y=mx+b
ICE Princess25 [194]

Answer:

Step-by-step explanation:

3x%2B4y=12 Start with the given equation

4y=12-3x Subtract 3+x from both sides

4y=-3x%2B12 Rearrange the equation

y=%28-3x%2B12%29%2F%284%29 Divide both sides by 4

y=%28-3%2F4%29x%2B%2812%29%2F%284%29 Break up the fraction

y=%28-3%2F4%29x%2B3 Reduce

Looking at y=-%283%2F4%29x%2B3 we can see that the equation is in slope-intercept form y=mx%2Bb where the slope is m=-3%2F4 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

 

So we have one point  

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

slope=rise%2Frun

Also, because the slope is -3%2F4, this means:

rise%2Frun=-3%2F4

which shows us that the rise is -3 and the run is 4. This means that to go from point to point, we can go down 3 and over 4

So starting at , go down 3 units

and to the right 4 units to get to the next point  

Now draw a line through these points to graph y=-%283%2F4%29x%2B3

So this is the graph of y=-%283%2F4%29x%2B3 through the points  and

3 0
3 years ago
Name all 4 angels shown in the picture
MrMuchimi
<h3>The angles are:</h3>
  1. ∠ABC
  2. ∠CBE
  3. ∠DBE
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Hope it helps

4 0
3 years ago
Need help with this both please help me it due today at 11:59pm please will mark brainiest please
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Answer:

c= -20

x= 38

Explanation:

Solve for x and c by simplifying both sides of the equation, then isolating the variable.  

hope this helps!

8 0
3 years ago
Two-fifths of police officers New York police department are female
Over [174]

Answer:

\\  \\ 3)15(

8 0
2 years ago
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