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myrzilka [38]
3 years ago
14

(3m − 2n) and (4m − n) are the factors of ???

Mathematics
1 answer:
MariettaO [177]3 years ago
8 0
That would be choice 3
middle term = -3mn-8mn = -11mn and last term = + 2n^2
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Which expression represents the <br>phrase 4 times the sum of 9 and 6
Dominik [7]
It would be x=4(9+6)
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B is the midpoint of AC and E' is the midpoint of BD. If A(-9,-4), C(-1, 6), and E(-4,-3), find the coordinates of D.
Ipatiy [6.2K]
The coordinates for D are (-4, -7)

First we must locate point B as it is vital to finding the midpoint of BD. To do this, we take the average of the endpoints AC since B is its midpoint. 

x values = -9 + 1 = -8
Then divide by 2 for the average -8/2 = -4

y values = -4 + 6 = 2
Then divide by 2 for the average 2/2 = 1

Therefore B must be (-4, 1)

Now we know the values of E must be the average of B and D. So we can write equations for each coordinate since we know they are averages. 

x - values = (Bx + Dx)/2 = Ex
(-4 + Dx)/2 = -4 ---> multiply both sides by 2
-4 + Dx = -8 ---> add -4 to both sides
Dx = -4

y - values = (By + Dy)/2 = Ey
(1 + Dy)/2 = -3 ---> multiply both sides by 2
1 + Dy = -6 ---> subtract 1 from both side
Dy = -7

So the coordinates for D must be (-4, -7)
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3 years ago
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Find the value of x by filling in the blanks in the provided statement- reason solution
fgiga [73]

Answer/Step-by-step explanation:

Given:

m<MNQ = 132°

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Plug in the values

2. 132° = 3x + 54°

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26 = x

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3 years ago
Find the midpoint of line PQ.
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No.

The correct choice is ...
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