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vfiekz [6]
3 years ago
9

Enter the y coordinate of the solution 5x 2y=21 and -2x 6y=-34

Mathematics
1 answer:
Tatiana [17]3 years ago
4 0
<span>he given system of equations: 
 


 Multiply the both sides of the first equation by 3. 


 Distribute and multiply. 


 Multiply the both sides of the second equation by 2. 


 Distribute and multiply. 


So we have the new system of equations: 

 


Now add the equations together. You can do this by simply adding the two left sides and the two right sides separately like this: 


 


 Group like terms. 


 Combine like terms. 


 Simplify. 


 Divide both sides by  to isolate . 



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


 Now go back to the first equation. 


 Plug in . 


 Multiply. 


 Multiply EVERY term by the LCD  to clear any fractions. 


 Multiply and simplify. </span>
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My dad disconnected my wifi off my pc with our wifis own app does anyone know how to reconnect my pc to the wifi?
Inga [223]

fijate tu modem a ver si se soluciona si no al tecnico

4 0
3 years ago
Write the equation of line in slope-intercept form. Line parallel to y=−2x+3 that passes through the point (−100,−100)
GrogVix [38]

Remark

The line you want is parallel to y = - 2x + 3

That means it has the same slope as the given line.  The given line has a slope of  -2

y = -2x + b is what you have so far. Now you have to use the point to get b

y = - 100

x = - 100

Solve for b

-100 = -2(-100) + b

-100 = 200 + b       Notice the sign change. Two minus's make a plus. Subtract 200 from both sides.

- 100 - 200 = b

- 300 = b

Answer

y = - 2x - 100

3 0
3 years ago
Read 2 more answers
Which graph represents the solution to the system of inequalities below?
Reika [66]

Answer:

The correct option is;

B

Step-by-step explanation:

The given system of inequalities are;

5·x - 4·y > 4...(1)

x + y < 2...(2)

Representing both inequalities as a function of "y", gives;

For, 5·x - 4·y > 4...(1), we have;

-4·y > 4 - 5·x

y < 4/(-4) - 5·x/(-4)

∴ y < 5·x/4 - 1

For x + y < 2...(2), we have;

y < 2 - x

Therefore, y is less than the values given by the equation of the straight line equalities, and the feasible region is given by the common region under both dashed lines representing both inequalities as shown in the attached diagram created using Microsoft Excel

The correct option is therefore, B.

3 0
3 years ago
Write 8/4 as a mixed number. how did you come to your answer
Sergeeva-Olga [200]
To write in the mixed fraction you have to simply divide 8 and 4. 
To right in the mixed number we need to know numerator, denominator and divisor. 
So in your problem our divisor is 4, 
so now lets divide it 
\frac{8}{4}
=  \frac{2}{1}

So, now we have to write it as mixed number..
mixed number  will be 
2  \frac{0}{8}

Hope this helped you.. :)
7 0
3 years ago
Which statement is NOT true about the diagram below?
babymother [125]
The last statement

AD and DC are equal as shown by the small lines through them
DB is perpendicular and at exactly half way of line AC
Angles CBD and ADB are 92° and 88°
92 + 88 = 180
So the false one must be the last one.
6 0
3 years ago
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