تم الحل ✓
categoryالرياضيات
schoolبكالوريوس
event_available2026-07-15
السؤال
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Question 11
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Brendan is a lifeguard and spots a drowning child 50 meters along the shore and 70 meters from the shore
to the child. Brendan runs along the shore for a while and then jumps into the water and swims from there
directly to the child. Brendan can run at a rate of 3 meters per second and swim at a rate of 0.8 meters
per second. How far along the shore should Brendan run before jumping into the water in order to save the
child? Round your answer to three decimal places.
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