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dangina [55]
3 years ago
15

Plz help {graphing substitution} best answer = brainliest

Mathematics
1 answer:
Shkiper50 [21]3 years ago
6 0

2x - 2y = 14 \\ x = 2 + y \\  \\ 2(2 + y) - 2y = 14 \\ 4 + 2y - 2y = 14 \\ 4 = 14
Since 4 does not equal 14, this answer is no solution.
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Count the distance d, which gives you 7.

Use Pythogarean theorem to find c:
{a}^{2}  +  {b}^{2}   =   {c}^{2}
Plug in the numbers:
{4}^{2}  +  {3}^{2}  =  {c}^{2}   \\  \\ = 16 + 9  \\  \\ = 25 \\  \\ c =  \sqrt{25}  = 5
c is 5.

Same thing with g:
{e}^{2}  +  {f}^{2}  =  {g}^{2}  \\  \\    {g}^{2} = {4}^{2}  +  {4}^{2}  \\  \\  = 16 + 16 \\  \\  = 32 \\  \\ g =  \sqrt{32} = 4 \sqrt{2}  = 5.66
g equals 5.66.

7 0
3 years ago
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pogonyaev
8 = 4w/3                    Original Problem.
4w/3 = 8                    Flip Flopped the problem around.
4w = 24                     Multiplied each side by 3.
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Answer: w = 6
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