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muminat
2 years ago
13

Please answer the question and explain how

Mathematics
2 answers:
Vadim26 [7]2 years ago
8 0
The answer is B, i hope this helps
mixas84 [53]2 years ago
4 0
B is the only one that shows a proportional relationship because it is the only line that is straight and starts at the origin
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How many solutions does this linear system have?
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Answer:

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Step-by-step explanation:

Solve the following system:

{y = 4 - 3 x | (equation 1)

x + 2 y = 8 | (equation 2)

Express the system in standard form:

{3 x + y = 4 | (equation 1)

x + 2 y = 8 | (equation 2)

Subtract 1/3 × (equation 1) from equation 2:

{3 x + y = 4 | (equation 1)

0 x+(5 y)/3 = 20/3 | (equation 2)

Multiply equation 2 by 3/5:

{3 x + y = 4 | (equation 1)

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Subtract equation 2 from equation 1:

{3 x+0 y = 0 | (equation 1)

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Divide equation 1 by 3:

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0 x+y = 4 | (equation 2)

Collect results:

Answer: {x = 0 , y = 4

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