The function gives the number of the original trout alive after x years. When the number of the original trout alive is 300, then
Solve this equation:
Answer: after 4.024 year (or 5 year if round to the whole number of years)
Rename the number 600,000 in ten thousands
1 answer:
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Answer:
(a) 27 degrees (nearest degree)
(b) 17.9 m (to one decimal place)
Step-by-step explanation:
Wow, that's along ladder, perhaps for the firemen!
From diagram,
(a)
sin(x) = 9 / 20 = 0.45
x = arcsin(0.45) = 26.74 degrees
(b)
height of wall ladder reaches
h = 20*cos(x) = 20*cos(26.74) = 17.86 m
