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3 years ago

If a system of linear equations has no solution, then

Mathematics

2 answers:

Natali5045456 [20]3 years ago

5 0

Answer:

If a system of linear equations has no solution,then it is said to be inconsistent.The graphs of the lines do not intersect,and therefore the graphs are parallel and there is no solution.

Step-by-step explanation:

If a system of linear equations has no solution,then it is said to be inconsistent.The graphs of the lines do not intersect,and therefore the graphs are parallel and there is no solution.

podryga [215]3 years ago

3 0

Answer:

if the two equations are parallel

Step-by-step explanation:

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The mathematics department of a college has 7 male professors, 6 female professors, 12 male teaching assistants, and 7 female

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Answer:

0.78125 or 78.125%

Step-by-step explanation:

Male professors = 7

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Female T.A. = 7

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The probability that the selected person is a professor or a male is given by the probability that the person is a professor added to the probability that the person is a male, minus the probability that the person is a male professor:

$P( P\ or\ M) = P(P) +P(M) - P(P\ and\ M)\\P( P\ or\ M) =\frac{7+6}{32}+ \frac{7+12}{32}- \frac{7}{32} \\P( P\ or\ M) = 0.78125 = 78.125\%$

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3 years ago