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Genrish500 [490]
3 years ago
8

Find the points of intersection of the graphs of the equations.

Mathematics
1 answer:
AURORKA [14]3 years ago
4 0

Answer:

To find the point of intersection, just solve for x and y in the equations

so since x - y = -5

x = y - 5

now that we have a value of x, we will substitute x with in in the other equation

<em>5x + 3y = -9</em>

<em>5(y-5) + 3y = -9</em>

<em>5y - 25 + 3y = -9</em>

<em>8y = 16 </em>

y = 2

now use this value of y in the equation we made for x

<em>x = y - 5</em>

<em>x = 2 - 5</em>

x = -3

Hence, the point of contact is (-3 , 2)

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Light in vacuum is incident on the surface of a slab of transparent material. In the vacuum the beam makes an angle of 43.8° wit
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Answer:

Index of refraction of transparent is 1.48

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How does this app work?
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On this app, you can answer other people’s questions and even ask your own. You need points to ask your own though. To get points, you need to answer more questions. Each question varies on points depending on what the person has set the amount of points to be given to the person who answers. Hope this helps!!
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