meerkat18 meerkat18

14-12-2016
Mathematics

contestada

Use the marked parallel lines to find the value of y in the diagram below.

The answer choices are

19
50
55
18

Use the marked parallel lines to find the value of y in the diagram below The answer choices are 19 50 55 18 class=

Respuesta :

nobillionaireNobley nobillionaireNobley

20-12-2016

3x - 45 = 2x + 5
3x - 2x = 5 + 45
x = 50

4y - 1 + 2x + 5 = 180
4y + 2(50) + 4 = 180
4y = 180 - 4 - 100 = 76
y = 76/4 = 19.

y = 19

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