A hospital has to be patrolled by security guards 24 hours a day. Seven security guards are ordered to split each day’s guard du
1 answer:
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Answer: d = ±10
<u>Step-by-step explanation:</u>
169 = +
169 = (12)² +
169 = 144 +
25 =
100 = d²
√100 = √d²
±10 = d