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Paladinen [302]
3 years ago
7

Help me solve this equation. (x-5) =10 where y =3

Mathematics
1 answer:
g100num [7]3 years ago
5 0
X - 5 = 10
   +5 = +5 = 15 

x = 15
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the formula y-y=m(x-x) is the point -slope from of the equation of a line where m is the slope of the line and (x,y) and ( x,y)
hodyreva [135]
(4,-2)(5,0)
slope(m) = (0 - (-2) / (5 - 4) = 2/1 = 2
there is going to be 2 possible answers...

y - y1 = m(x - x1)
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using points (4,-2)..... y -(-2) = 2(x - 4) =
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using points (5,0)....y - 0 = 2(x - 5) <==



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Brut [27]

Check the picture below.

let's recall that a kite is a quadrilateral, and thus is a polygon with 4 sides

sum of all interior angles in a polygon

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\bf 3b+70+50+3b=360\implies 6b+120=360\implies 6b=240 \\\\\\ b=\cfrac{240}{6}\implies b=40 \\\\[-0.35em] ~\dotfill\\\\ \overline{XY}=\overline{YZ}\implies 3a-5=a+11\implies 2a-5=11 \\\\\\ 2a=16\implies a=\cfrac{16}{2}\implies a=8

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