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Sav [38]
3 years ago
7

2x + 3y = 3 and x + 6y = -3

Mathematics
1 answer:
jekas [21]3 years ago
4 0

Answer:

Step-by-step explanation:

Multiplying x+6y=-3 with 2 so its equal to first eqn,

Eliminating,

2x + 3y = 3        (1)

2x +12y = -6       (2)                  (because subtracting)

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

      -9y =9

     ∴y=-1

eq. y in 1

2x -3=3

2x=3+3

x=6/2

=3

Pls mark me brainliest

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Operations with complex numbers pls helppp
k0ka [10]
Answers:
L = 4
M = -3

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

Explanation:

On the left side, the number 20-12i is in the form a+bi where a = 20 and b = -12

On the right side, 5L+(4M)i is in the form a+bi where a = 5L and b = 4M

Equating the real parts a = 20 and a = 5L has us get
5L = 20
5L/5 = 20/5
L = 4

Do the same with the imaginary parts as well
b = -12
b = 4M
4M = -12
4M/4 = -12/4
M = -3

7 0
4 years ago
What is the equation of a line that is parallel to y=2/3x-7 and passes through (12,2)?
Ganezh [65]

Answer:

<h2>The answer is option A</h2>

Step-by-step explanation:

Equation of a line is y = mx + c

where

m is the slope

c is the y intercept

To find the equation of the parallel line we must first find the slope of the original line

From the question the original line is

y = 2/3x - 7

Comparing with the general equation above

Slope = 2/3

Since the lines are parallel their slope are also the same

Slope of parallel line = 2/3

So the equation of the line using point

(12 , 2 ) and slope 2/3 is

y - 2 =  \frac{2}{3} (x - 12) \\ y - 2 =  \frac{2}{3} x - 8 \\ y =  \frac{2}{3} x - 8 + 2

We have the final answer as

y =  \frac{2}{3} x - 6 \\

Hope this helps you

5 0
3 years ago
Read 2 more answers
What does 3.0000÷16 equal​
Bas_tet [7]

Answer:

Step-by-step explanation:

=3/16

Using Calculator

=0.1876

8 0
4 years ago
Read 2 more answers
Help me with this problem please
andreev551 [17]

Answer:

y =   \frac{ - 3x + 6}{2}  =  \\ x = 4 \\ y =  \frac{ - 3 \times 4 + 6}{2}  =  \frac{ - 12 + 6}{2}  =   \frac{ - 6}{2}  =  - 3

3 0
3 years ago
Will mark brainliest and thank you!!! Please help!
borishaifa [10]

The solution to the equation is x = 0, 2

The graph is posted

hope that helps :)

5 0
4 years ago
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