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Scilla [17]
2 years ago
15

Which points are 4 units apart?

Mathematics
1 answer:
xz_007 [3.2K]2 years ago
3 0

The points that are 4 units apart are B and D

<h3>Complete question</h3>

Which points are 4 units apart? On a coordinate plane, point A is at (-2, 4), point B is at (3, -6), point C is at (-1, 0), point D is at (3, -2).

B and C

C and D

A and C

B and D

<h3>How to determine the points?</h3>

To do this, we simply calculate the distance using the following equation

d = \sqrt{(x_2-x_1)^2 + (y_2-y_1)^2

Using the given points, we have:

BC = \sqrt{(3+ 1)^2 + (-6 -0)^2} = 7.2

CD = \sqrt{(-1 - 3)^2 + (0 +2)^2} = 4.5

AC = \sqrt{(-2 + 1)^2 + (4 -0)^2} = 4.1

BD = \sqrt{(3 - 3)^2 + (-6 +2)^2} = 4

Hence, the points that are 4 units apart are B and D

Read more about distance at:brainly.com/question/15821277

#SPJ1

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divide 8.24 by 1.7

8.24 /1.7 = 4.847

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PLEASE HELP!!!!!Find the equation of each line and then put each equation into the form Ax+By=C where A,B, and C are integers
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Answer:

y-5x-7=0

Step-by-step explanation:

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X
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Using the mean concept, it is found that the mean difference between the call times and the  company's average call time is given by:

  • C. 0.4

<h3>What is the mean?</h3>
  • The <em>mean </em>of a data-set is given by the <u>sum of all observations in the data-set divided by the number of observations</u>.

In this problem:

  • The four observations are the differences between the time of each phone call and the average time.
  • They are: {-2.32, -1.55, 4.79, 0.68}

Hence, the mean difference is:

M = \frac{-2.32 - 1.55 + 4.79 + 0.68}{4} = 0.4

Hence, option C is correct.

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