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KonstantinChe [14]
3 years ago
7

Line 1: 3x+y=6 line 2: 3x-y=6 graph the system of equation below.

Mathematics
1 answer:
prisoha [69]3 years ago
4 0

Answer:

y1×y2

x1×x2

y1-x1. y2+x2. do this then plot your points and it should solve your problem.

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What is the solution for the following equation?<br> x^2-6x+9=11
tankabanditka [31]
Make one side equal zero
minus 11 to both sides
x^2-6x-2=0
another quadratic equation

if you hahve
ax^2+bx+c=0
x=\frac{-b+/- \sqrt{b^{2}-4ac} }{2a}

1x^2-6x-2=0
a=1
b=-6
c=-2

x=\frac{-(-6)+/- \sqrt{(-6)^{2}-4(1)(-2)} }{2(1)}
x=\frac{6+/- \sqrt{36+8} }{2}
x=\frac{6+/- \sqrt{44} }{2}
x=\frac{6+/- 2\sqrt{11} }{2}
x=3+/- \sqrt{11}
x=3+ \sqrt{11} or 3- \sqrt{11}

aprox
x=6.31662 or -0.316625
4 0
3 years ago
Hiiiooos! Can someone please help me with this!!!❤️❤️❤️❤️:)
Paha777 [63]

Answer:

a

Step-by-step explanation:

hopes this helps

5 0
3 years ago
Read 2 more answers
Helppp please and thanks please
GalinKa [24]

Answer: 36

Step-by-step explanation:

4 0
2 years ago
Solve<br> 5(2x-y) = 7x + 1 <br> 3(3x+y) = 5(x-y+12)<br> using the elimination method<br> thanks!
MaRussiya [10]

Answer:

{x = 7 , y = 4

Step-by-step explanation using elimination:

Solve the following system:

{5 (2 x - y) = 7 x + 1 | (equation 1)

{3 (3 x + y) = 5 (12 + x - y) | (equation 2)

Express the system in standard form:

{3 x - 5 y = 1 | (equation 1)

{4 x + 8 y = 60 | (equation 2)

Swap equation 1 with equation 2:

{4 x + 8 y = 60 | (equation 1)

{3 x - 5 y = 1 | (equation 2)

Subtract 3/4 × (equation 1) from equation 2:

{4 x + 8 y = 60 | (equation 1)

{0 x - 11 y = -44 | (equation 2)

Divide equation 1 by 4:

{x + 2 y = 15 | (equation 1)

{0 x - 11 y = -44 | (equation 2)

Divide equation 2 by -11:

{x + 2 y = 15 | (equation 1)

{0 x+y = 4 | (equation 2)

Subtract 2 × (equation 2) from equation 1:

{x+0 y = 7 | (equation 1)

{0 x+y = 4 | (equation 2)

Collect results:

Answer:  {x = 7 , y = 4

8 0
3 years ago
Read 2 more answers
Please hurry , help please??? find the values of the variables
MArishka [77]

Answer:

x=60

Step-by-step explanation:

The angles here are alternate interior angles, this means that they are congruent. Congruent means that they are equal to each other, so to solve just set them equal! (Your variable is x so you're solving for that)

2x=120\\x=60

Hope this helps! :)

7 0
2 years ago
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