mathhelper25 mathhelper25

15-03-2022
Mathematics

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Please Help me with this . Serious answers only.

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LammettHash LammettHash

15-03-2022

(a) The interior angles of any triangle sum to 180° in measure. So

(8x + 2) + 70 + 60 = 180

Solve for x :

8x + 132 = 180

8x = 48

x = 6

(b) Evaluate 8x + 2 when x = 6 :

8•6 + 2 = 48 + 2 = 50

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