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From the right triangle given, to obtain the unknown value we use the Trigonometry:
s/t
tan B=b/a
where:
B=15°
b=9
thus the value of a will be:
tan 15=9/a
solving for a we get:
a=9/tan 15
a=33.588~33.59
Answer: <span>33.59</span>
Answer:
1st bacteria : 2nd bacteria
t^2-3t+4 ( 3rd option)
Step-by-step explanation: