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Helga [31]
2 years ago
14

Please help me I don’t know

Mathematics
1 answer:
sineoko [7]2 years ago
4 0

Answer:

study more so you can understand

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Find the value of x.<br><br> Please help
bekas [8.4K]

Answer:

86 degrees

Step-by-step explanation:

For triangle the sum of angles is equal to 180 degrees

so,

x+(x-35)+43=180

2x -35+43=180

2x = 180-43+35

2x = 172

x = 86

6 0
3 years ago
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Find the equation of the perpendicular bisector of a line segment whose end points are (-3,9) and (-1,5)
timofeeve [1]

First find the equation of y.

y=mx+n=\frac{\Delta y}{\Delta x}x+n

Find the slope m.

m=\frac{5-9}{-1-3}=\frac{-4}{-4}=1.

Pick one point, I'll pick (-3, 9). Insert coordinates in equation then compute n.

9=1(-3)+n\implies n=12.

The equation of a line y is:

y=x+12.

The perpendicular line y_{\perp} is same like the normal line except its slope m becomes:

k=-\frac{1}{m}=-1.

The equation of a perpendicular bisector is thus:

y_{\perp}=-x+12.

Hope this helps.

6 0
3 years ago
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-2 (x + 4) – (3x – 8)<br> What it equals
Alja [10]

Answer:

-2x+-8-3x-8

Step-by-step explanation:

-2 times x =-2x  

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2 years ago
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Convert 0.19¯ to a fraction.
padilas [110]
The fraction would be \frac{19}{100}
I hope that helps!
19/100
7 0
2 years ago
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Ede4ka [16]

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3 years ago
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