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Lady bird [3.3K]
3 years ago
14

The slope of a line parallel to -x + y = 12 equals what?

Mathematics
1 answer:
Viktor [21]3 years ago
7 0
1. parallel lines have same slope
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A weather plane took to the skies to measure the speed of the jet stream. The plane flew 1920 km with the jet stream as a tail w
Alex
For this case, the first thing we must do is define variables:
 p: plane speed
 w: wind speed
 With the wind in favor, the speed is:
 p + w = 1920/2

 With the wind against the speed is:
 p - w = 1920 / 3.2

 Rewriting both equations, we have the following system of equations:
 p + w = 960

p - w = 600
 Then, solving the system of equations (graphically for example), we have the solution is: 
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w = 180
 Therefore, jet stream's speed:
 w = 180 km / h

 Answer:
 
A) p + w = 960; p - w = 600; jet stream's speed = 180 km / h
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3 years ago
What have I done wrong and where please help me
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8x - 20
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there are 4 performers who will present their comedy acts this weekend at a comedy club. how many different ways are there to sc
DiKsa [7]
There should be 6 per number
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2 years ago
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