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BARSIC [14]
3 years ago
12

What is the solution to this system of linear equations?

Mathematics
1 answer:
maria [59]3 years ago
5 0
It’s (-1, 3), I hope this helps! ☺️
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Solve the following system of equations.<br> 2x +y = 3 = 3<br> 2 = 2y - 1 - 1
sukhopar [10]

Answer:   or (1,1)

Step-by-step explanation:

You can apply the Method of substitution.

Knowing that   (second equation), you can substitute it into the first equation and solve for the variable y:

Now you need to substitute  into the second equation  to calculate the value of the variable x. Then:

Then, the solution is:

or (1,1)

3 0
3 years ago
Solve the system by substitution.<br> y = 5x<br> y = 9x + 4
SVEN [57.7K]

Answer:

(-1, -5)

Step-by-step explanation:

\left \{ {{y=5x} \atop {y=9x+4}} \right.

1. We must calculate x, for that we must substitute y, so we have:

5x=9x+4

2. Now we solve the equation.

5x-9x=4

-4x=4

x=-1

3. Now we must calculate y

y=5x

y=5(-1)

y=-5

And the answer is (-1, -5)

5 0
3 years ago
Forgot how to do this ​
kotykmax [81]

Answer:

Volume = π×32×6 = 169.64600329385 feet^3

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Complete the proof of the exterior angle theorem. Given: ∠4 is an exterior angle of △ABC. Prove: m∠1+m∠2=m∠4 Answer: Statement R
Nataly_w [17]

Answer:


Step-by-step explanation:

Statement                                                                              Reason

1. ∠4 is an exterior angle of ΔABC                                         Given

2. ∠3 and ∠4 form a linear pair                                    Linear pair property

3. ∠3 is supplementary to ∠4                                     Straight line property

4. m∠3+m∠4=180°                                                ∠3 is supplementary to ∠4      

5. m∠1+m∠2+m∠3=180°                                           Triangle sum theorem

6.m∠1+m∠2+m∠3= m∠3+m∠4                                   Statement 4 and 5

7. m∠1+m∠2=m∠4                                                     Subtraction property

5 0
3 years ago
Read 2 more answers
A stadium has 122 seats and 1 1 rowsx how many seats are there per row?
miss Akunina [59]

Unfortunately, this info does not produce a "nice" result; 122 divided by 11 comes out to 11 rows plus one seat either in a row by itself or not: 1

122 seats

--------------- = 11 rows plus 1 seat left over

11 rows


5 0
3 years ago
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