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DochEvi [55]
3 years ago
15

Which is the slope of a line perpendicular to the line whose equation is y=2x+5?

Mathematics
2 answers:
Black_prince [1.1K]3 years ago
8 0

Answer:

-1/2

Step-by-step explanation:

the slope of a line that is perpendicular to a given equation of a line, is the negative reciprocal of the original slope

sergejj [24]3 years ago
4 0

Answer:

Step-by-step explanation:

Given line is y=2x+5

By comparing it with the y=mx+b

we say that the slope of the given line is m=2

The concept is that the slope of a perpendicular line is given by -1/m.

Hence the slope of a line that is perpendicular to the given line is

-\frac{1}{2}

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tekilochka [14]

Answer:

8.5 h = 510 min

Step-by-step explanation:

An hour is equal to 60 minutes. Half an hour is 30 minutes.

We can break "8.5" into 8 hours and 0.5 of an hour (which is 30 minutes).

Knowing this, we can multiply 8 by 60 since each hour is 60 minutes. We then get 480. We still need to add the remaining 0.5 of an hour (30 minutes) so we add 480 + 30. We then get 510.

Therefore 8.5 hours = 510 minutes. Hope this helps!

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3 years ago
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g100num [7]

A relation is (also) a function if every input x is mapped to a unique output y.

In terms of graphical representation, this implies that a graph represents a function if there doesn't exist a vertical line that intersects the graph more than once. So:

  1. The first graph is exactly a vertical line, so it's not a function.
  2. The second graph represents the function y=x, so it's a function: you can see that every possible vertical line crosses the graph only once.
  3. The third graph is not a function, because you can draw vertical lines that cross the graph twice.
  4. Similarly, in the fourth graph you can draw vertical lines that cross the graph twice
  5. The fifth graph is a function, because every vertical line crosses the graph once
  6. The last graph is a function, although discontinuous, for the same reason.
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3 years ago
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843 to the nearest 100
Ray Of Light [21]
It is 800 because the 4 can not tell the what to do so that it is
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Alyssa bought a dress for $52 and 3 pairs of jeans. She paid a total of $125. Write an equation to represent this word problem
larisa86 [58]

Answer:

..

Step-by-step explanation:

If the dress is $52 all you have to do I subtract the total ($125)from the amount the dress was, which is 76

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2 years ago
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makvit [3.9K]

Standard form - eighteen


number form - 18


expanded form - 10 + 8

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3 years ago
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