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BartSMP [9]
3 years ago
15

Point A is at (-1,-9) and Point B is at (2,4). What is the midpoint of line segment AB

Mathematics
2 answers:
spin [16.1K]3 years ago
7 0

Answer:

The answer to your question is (1/2, -5/2)

Step-by-step explanation:

Data

A = (-1, -9)

B = (2, 4)

Formula of midpoint

   Xm = (x1 + x2) / 2

   Ym = (y1 + y2)/2

x1 = -1    y1 = -9    x2 = 2  y2 = 4

To solve this problem just substitute the values in the formula and simplify.

   Xm = (-1 + 2) / 2

   Ym = (-9 + 4) / 2

-Simplify

  Xm = 1/2

  Ym = -5/2

-Solution

 Midpoint (1/2, -5/2)

Mkey [24]3 years ago
6 0

Answer:

Midpoint( .5,-2.5)

Step-by-step explanation:

To find the midpoint, add the x coordinates and divide by 2 and then add the y coordinates and divide by 2

x:  (-1+2)/2 = 1/2=.5

y: (-9+4)/2 = -5/2 = -2.5

Midpoint( .5,-2.5)

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Answer:

<u>Option D. The student is completely incorrect because there is no solution to this inequality. </u>

Step-by-step explanation:

<u>The question is as following:</u>

A student found the solution below for the given inequality.

|x-9|<-4

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Which of the following explains whether the student is correct?

A. The student is completely correct because the student correctly wrote and solved the compound inequality.

B. The student is partially correct because only one part of the compound inequality is written correctly.

C. The student is partially correct because the student should have written the statements using “or” instead of “and.”

D. The student is completely incorrect because there is no solution to this inequality.

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Given: |x-9| < -4

We should know that the out put of modulus always will be greater than or equal to zero.

So, The inequality always will not be true (unlogic condition)

So, There is no solution to this inequality.

The answer is option D

D. The student is completely incorrect because there is no solution to this inequality.

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