Answer:
Step-by-step explanation:
6.1 / 5 ( 12b + 5 )
b = 5/6
by substituting,
6.1 / 5 ( 12 × 5/6 + 5 )
1.22 × 15
= <u><em>18.3</em></u>
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Answer:±2 and±9
Step-by-step explanation:
±√(4) = ±2
±√(81) = ±9
3+2 is 5.
1/7 +1/7 is 2/7.
Thus, the answer is 5 2/7.