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cymoneej
08.10.2019 •
Mathematics
While taking a ride in a hot air balloon in napa valley, francisco wonders how high he is.
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Ответ:
ZN = 100, NL = x (say)
tan 54 = (100+x)/H
100 + x = H tan 54 (1)
tan 61 = H/x [alternate angle]
x = H cot 61 (2)
put x from (2) into (1)
H cot 61 + 100 = H tan 54
H = 100 / [tan 54 -cot 61]
H = 100 / [1.376 - 0.554]
H = 121.65 feet
Ответ:
Your answer would have to be either exactly or approximately 0.72 L/h
Step-by-step explanation:
Again, let's treat the units as variables.
We're trying to find the rate in liters per hour.
There are 1000 ml in 1 L.
There are 60 min in 1 h.
Again, a big mess of units. Let's use algebra to clean up our answer.
So your answer would have to be either exactly or approximately 0.72 L/h