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Tyler L.
Senior Mechanical Engineering Student
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Geometry
TutorMe
Question:

If angle A of a triangle is 47 degrees, and angle B is 80 degrees, what is angle C?

Tyler L.

Total degrees in a triangle is 180. 180 = A + B + C 180 = 47 + 80 + C 180 = 127 + C 180-127 = C C = 53

Algebra
TutorMe
Question:

Multiply out the expression (x+5) * (2x-6)

Tyler L.

(x+5) * (2x-6) (x*2x) + (x*-6) + (5*2x) + (5*-6) 2x^2 - 6x + 10x - 30 2x^2 + 4x - 30

Algebra
TutorMe
Question:

(x-4) + (2x+2) = 7 solve for x

Tyler L.

(x-4) + (2x+2) = 7 (x+2x) + (-4+2) = 7 3x - 2 = 7 3x - 2 (+2) = 7 (+2) 3x = 9 3x/3 = 9/3 x=3

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