A 4-ft vertical post casts a 12-in shadow at the same time a nearby cell phone tower casts a 122-ft shadow. How tall is the c
1 answer:
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Answer:
D
Step-by-step explanation:
Using the rule of radicals
⇔
given
=
[ cancel 30 and 5 by 5 and (x - 1) / (x - 1)² by (x - 1) ]
= → D