bryanna1012
bryanna1012
03-10-2016
Mathematics
contestada
Please help 20 points
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crazeekitty3048
crazeekitty3048
03-10-2016
your answer is y=15 for your problem
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olemakpadu
olemakpadu
03-10-2016
The two angles labelled are equal because they are vertically opposite.
11(y - 10) = 4y - 5
11*y - 11*10 = 4y - 5
11y - 110 = 4y - 5
11y - 4y = -5 + 110
7y = 105
y = 105/7
y = 15
But PTS: 11(y - 10) = 11(15 - 10) = 11*5 = 55
Angle PTS = 55 degrees
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