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Rina8888 [55]
3 years ago
12

Exercises 1-3, tell which equation you would choose to solve for one of the variables. Explain.

Mathematics
2 answers:
Archy [21]3 years ago
7 0
I would choose the 1 first one
Oksi-84 [34.3K]3 years ago
4 0

Answer:

1, because you can subtract both equations to eliminate y , and you will be left with only x.

Step-by-step explanation:

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“一二一1<br> What is x plus 7 equals -1 what does x equal
EastWind [94]

Answer:

x = -8

Step-by-step explanation:

You'll want to do -1 minus 7 to get your answer, -8.

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3 years ago
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Write an equation in slope intercept form:
adoni [48]

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Step-by-step explanation:

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find a set of parametric equations of the line the line pases through the point (2,3,4) and is parallel to the xz-plane and the
joja [24]

Answer:

x=2, y=3, z=4+t

Step-by-step explanation:

For this case we need a line parallel to the plane x z and yz. And by definition of parallel we see that the intersection between the xz and yz plane is the z axis. And we can take the following unitary vector to construct the parametric equations:

u= (u_x, u_y, u_z)= (0,0,1)

Or any factor of u but for simplicity let's take the unitary vector.

Then the parametric equations are given by:

x= P_x + u_x t

y= P_y + u_y t

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Where the point given P=(2,3,4)= (P_x , P_y, P_z)

And then since we have everything we can replace like this:

x= P_x + u_x t 2+ 0*t = 2

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6 0
3 years ago
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Fantom [35]

Answer:

-0.3125

Step-by-step explanation:

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7 0
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I need help thank you
Andreyy89

Answer: A

Step-by-step explanation:

For this problem, we need to understand how translations work.

As you can see, the triangles only slide to the right side, along the x axis. Therefore, we can eliminate B and C.

Now, we can see that the triangle has shifted by +8 units. Therefore, A is the correct answer.

7 0
2 years ago
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