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(7 × 1) + (4 × 0.01) + (2 × 0.001)=
7+.04+.002
7.042
Answer:
See below
Step-by-step explanation:
The three angles inside of the triangle sum to 180
11x + 4 + 3x + 78 = 180
14x +82 =180
x = 7
then B = 11x + 4 = 11(7) + 4 = 81 degrees
C = 3x = 21 degrees
They have both root common .
27
27+48=75
