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galina1969 [7]
3 years ago
8

The equation below was solved incorrectly. Study the work below.

Mathematics
1 answer:
lyudmila [28]3 years ago
6 0

Start with

5x+5=-3(x-1)

Distribute the -3 on the right hand side:

5x+5=-3x+3

Add 3x-5 to both sides:

8x=-2 \leftarrow \text{here's the mistake!}

Divide both sides by 8:

x = -\dfrac{2}{8}=-\dfrac{1}{4}

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1. Solve using long division.
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3 years ago
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Gala2k [10]

Answer:

\sqrt{160}

Step-by-step explanation:

Te equation of line is:

y = 3x + 12

Plug x = 0 in the above equation of line, we find:

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Distance between x-intercept and y--intercept

=  \sqrt{ {( - 4 - 0)}^{2} +  {(0 - 12)}^{2}  }  \\  \\  =  \sqrt{ {( - 4 )}^{2} +  {(- 12)}^{2}  }  \\  \\  =  \sqrt{16 + 144}  \\  \\  =  \sqrt{160}

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3 years ago
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