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agasfer [191]
3 years ago
5

-(-10x-8)=-(4x+10) A)-4 B)-2 C)-3 D)3 show work

Mathematics
1 answer:
Eva8 [605]3 years ago
4 0

Answer:

<h3>             None of given </h3><h3>                  x = -1²/₇ </h3>

Step-by-step explanation:

-(-10x - 8) = -(4x + 10)

  10x + 8 = -4x - 10

      -8            -8

     10x  =  -4x - 18

      +4x     +4x

     14x = -18

      ÷14    ÷14

      x = -¹⁸/₁₄ = -⁹/₇ = -1²/₇

I think you meant -(10x-8)=-(4x+10)

Then:

-(10x - 8) = -(4x + 10)

  -10x + 8 = -4x - 10

      -8            -8

     -10x  =  -4x - 18

       +4x     +4x

     -6x  =  -18

      ÷(-6)    ÷(-6)

<h3>         x = 3     D)</h3>
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The triangle ABC goes through a series of transformations, resulting in the triangle A’B’C’. The three transformations are liste
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Answer:

<em>The new co-ordinates of A ( 2 ,-6)</em>

Step-by-step explanation:

Type of transformation                                change to co-ordinate point

Vertical translation up 'd' units                  (x,y)→(x , y+d)

<em>Vertical translation down 'd' units             (x,y)→(x , y-d)</em>

<em>Horizontal translation right 'c' units           (x,y)→(x+c , y)</em>

Horizontal translation left 'c' units           (x,y)→(x-c , y)

<em>Reflection over x-axis                               (x,y) →(x , -y)</em>

Reflection over y-axis                               (x,y) →(-x , y)

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<em>b) Vertical translation down '3' units  so it changes (-2 , -3)→(-2 , -3-3)</em>

<em>                          (-2,-3)→(-2 ,-6)</em>

<em>and</em>

<em>c) The Horizontal translation right '4' units </em>

<em>now it changes ( -2 ,-6) → (-2+4,-6)→(2 ,-6)</em>

<em></em>

<u><em>Final answer</em></u><em>:- </em>

<em>The new co-ordinates of A ( 2 ,-6)</em>

<em></em>

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