3 years ago

I need the answers to the fill in bubbles.

2 answers:

8 0

B is no solution
C is infinite

7 0

System A: The system has exactly one solution (3,1)
System B: No Solution
System C: Infinite many solutions

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dybincka [34]

Start with parentheses

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3 years ago

gogolik [260]

Answer:

$F(2x_A-x_B,2y_A-y_B)$

Step-by-step explanation:

Let points A, B and F have coordinates $A(x_A,y_A),$ $B(x_B,y_B)$ and $F(x_F,y_F).$

If BA is extended all the way through A creating BF and A becomes the midpoint of BF, then the midpoint A of the segment BF has coordinates:

$\dfrac{x_B+x_F}{2}=x_A\\ \\\dfrac{y_B+y_F}{2}=y_A$

Express coordinates of point F:

$x_B+x_F=2x_A\Rightarrow x_F=2x_A-x_B\\ \\y_B+y_F=2y_A\Rightarrow y_F=2y_A-y_B$

Hence,

$F(2x_A-x_B,2y_A-y_B)$

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3 years ago

alina1380 [7]

Answer:

I am not sure if i am correct Buttttt

Step-by-step explanation:

25:180

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3 years ago

natka813 [3]

Place 25 equally sized pieces of paper in a hat. Of the 25, 5 read “defective” and the rest read “working”.

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3 years ago

Gennadij [26K]

it would be 81, all interior angles should equal 360 and that goes for any closed shape.

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4 years ago