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ipn [44]
3 years ago
5

Given the endpoint x(11,-2) and the midpoint (4,3) find the missing endpoint y. Write answer as order pair.

Mathematics
2 answers:
kow [346]3 years ago
5 0

Answer:

 (-3, 8)

Step-by-step explanation:

Valentin [98]3 years ago
3 0

9514 1404 393

Answer:

  (-3, 8)

Step-by-step explanation:

For m the midpoint of xy, we have ...

  m = (x+y)/2   ⇒   y = 2m-x

  y = 2(4, 3) -(11, -2) = (2·4 -11, 2·3 +2)

  y = (-3, 8)

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Rasek [7]
Yes, the new coordinates would be:

R': (9,9)
P': (3,3)
Q': (9,3)

You would multiply all of the current coordinates by three (its scale factor of enlargement) to obtain these answers. Hope this helps!
5 0
3 years ago
Work out the size of angle X.​
larisa [96]

Answer:

x = 70°

Step-by-step explanation:

The external angle of a triangle is equal to the sum of the 2 opposite interior angles.

120° is an external angle of the triangle, thus

x + 50 = 120 ( subtract 50 from both sides )

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5 0
3 years ago
URGENT <br>Perform the indicated operation and simplify the result.
yan [13]

Answer:

The answer to your question is:  (2a - 1) / 4

Step-by-step explanation:

         \frac{12a^{2} - 3}{2} (2a + 1)^{-2}  ( \frac{6}{(2a +1)^{-1} } \\

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8 0
3 years ago
In order for RECT to be a rectangle, what must the value of x be?
Readme [11.4K]

Answer:

x = 21

Step-by-step explanation:

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90 = 2x + 6 + 42                Substitute the angles

90 = 2x + 48               Combined like terms to simplify

Now isolate "x" to solve

90 - 48 = 2x + 48 - 48         Subtract 48 from both sides

42 = 2x

42/2 = 2x/2       Divide both sides by 2

x = 21

Therefore x is 21.

6 0
4 years ago
What is the slope of the line with points A and B?
Zanzabum

Answer:

you will have to get the graph :\

Step-by-step explanation:

sorry

4 0
3 years ago
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