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timurjin [86]
3 years ago
15

4x+2y=-8 3x-2y=22x=y=​

Mathematics
1 answer:
BaLLatris [955]3 years ago
3 0

This should be the answer and I showed you how to do it

(X,Y), ( 2,-8)

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Which of the following are solutions to the equation below 4x^2+20x+25=49
KATRIN_1 [288]
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4 0
3 years ago
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Given the figure below, find the values of x and z.<br> (10x - 65)<br> (9x - 49)
nexus9112 [7]
(10x - 65) degrees is equal to (9x - 49) degrees, therefore you can set them into an equation.

(10x - 65) = (9x - 49)

By subtracting 9x in both sides,

(10x - 9x) - 65 = (9x -9x) - 49

x - 65 = -49

By adding 65 in both sides,


x - 65 + 65= -49 + 65
x = 16


Next, to find the value of z, it’s important to know that the straight line has 180 degrees. Then you would substitute the x value you found into one of your equation and subtract it from 180.

10 (16) - 65 = 160 - 65 = 95

Now you know that (10x - 65) degrees is equal to 95 degrees,

180 - 95 = z = 85


Answer: x = 16
z = 85
5 0
2 years ago
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