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xxTIMURxx [149]
2 years ago
6

Find an equation parallel to x equals negative 5 and passing through left parenthesis 6 comma negative 2 right parenthesis .

Mathematics
1 answer:
satela [25.4K]2 years ago
7 0

x = 6

x = - 5 is the equation of a vertical line, parallel to the y- axis and passing through all points with an x- coordinate of - 5

The line parallel to x = - 5 passing through ( 6 , - 2 ) is x = 6


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ehidna [41]

We want to find the values of a, b, c, and d such that the given matrix product is equal to a 2x2 identity matrix. We will solve a system of equations to find:

  • b = 1
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<h3>Presenting the equation:</h3>

Basically, we want to solve:

\left[\begin{array}{cc}-1&2\\a&1\end{array}\right]*\left[\begin{array}{cc}b&c\\1&d\end{array}\right] = \left[\begin{array}{cc}1&0\\0&1\end{array}\right]

The matrix product will be:

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Then we must have:

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This means that:

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a*b + 1 = 0

we know the value of b, so we just have:

a*1 + b = 0

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Now the two remaining equations are:

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Replacing the value of a we get:

-c + 2d = 0

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c = 2d

Replacing that in the other equation we get:

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Then:

c  = 2d = 2*(-1) = -2

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So the values are:

  • b = 1
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If you want to learn more about systems of equations, you can read:

brainly.com/question/13729904

4 0
2 years ago
If D is the midpoint of CE, CD= 9x-7, and DE= 3x+17, find CE
tatuchka [14]
Hello!

Since D is the midpoint and the two equations are and both sides of point D the equations equal each other

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Now you solve it algebraically

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Subtract 3x from both sides

6x = 24

Divide both sides by 6

x = 4

Now we put this into both equations and add them

9(4) - 7 = 29
3(4) + 17 = 29

29 + 29 = 58

The answer is 58 units

Hope this helps!
3 0
2 years ago
What is the vlaue of (2/7)³ ?
vekshin1

Answer:

0

Step-by-step explanation:

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Which presents the value of c
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Answer:

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So by the Sine Rule:

c / sin 45 = 3 / sin A

Cross multiply:

c sin A = 3 sin 45

c =  3 sin 45 / sin 40.

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3 years ago
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