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Help please!!!!!!!!!!!
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Mar 22, 2018
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Help please!!!!!!!!!!!
Mathematics
middle-school
Marcos Buarque
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Marcos Buarque
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It is 45 degrees, because it is one half of a 90 degree angle. And also, n = 15.
Faide
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Mar 22, 2018
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Faide
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Letter n=13. Because...
3n+4n-15=90
7n-15=90
+15 +15
7n=105
7n/7=105/7
N=13
Kaes
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Mar 28, 2018
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Kaes
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