Usman458
07.03.2021 •
Mathematics
you are standing on top of a fire watch station. you see a fire at the angle of depression 40 degrees. your tower is 125m high how far is the fire from the base of the tower
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Ответ:
first car is x
second car is y
25x+30y=1550
x+y=55
Multiply the second equation by -25 for elimination method to cancel out x
-25x-25y=-1375
Add the two equations
5y=175
y=35
Plug this value into the second equation
x+35=55
x=20
Final answers:
First car=20 gallons
Second car=35 gallons