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3 years ago

Which best describes the relationship between the lines? 2x – y = −7 2x + 4y = 2

Mathematics

2 answers:

seropon [69]3 years ago

8 0

Answer:

Perpendicular

Step-by-step explanation:

2x - y = -7

2x + 4y = 2

-y = -2x - 7

4y = -2x + 2

y = 2x + 7

y = -1/2x + 1/2

Cannot be:

Parallel because the slope would otherwise be the same.

Same line because the equation is not proportional

So, they are perpendicular because a perpendicular line would be a negative and a reciprocal of the current line

ohaa [14]3 years ago

8 0

Answer:

perpendicular

Step-by-step explanation:

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3 years ago

Imagine the fire department had to evacuate the 25th floor of an office building. For firefighters to safely reach people at thi

joja [24]

Answer:

Check Explanation

Step-by-step explanation:

Some information required to answer this question is missing, but on a general basis, here goes the carefully researched response.

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The length of a truck ladder is naturally limited by weight. The weight has to not be too much so that the truck can still move at a good enough speed on the roads. The weight of these ladders are primarily dependent on the strength of the metal used to make them.

At the top of these ladders, on a windy day, eind interference can cause the ladder to move back and forth all over the place, rhereby endamgerimg lives further and using a light material because we want the truck to still be able to move, will not work because light ladders especially, are easily carried by wind.

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3 years ago

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Leokris [45]

Answer:

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Step-by-step explanation:

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