Which equation represents a line which is parallel to the line 2x+y=-82x+y=−8?

Mathematics

1 answer:

geniusboy [140]3 years ago

6 0

Answer:

x=7 is the line parallel to the given line x=8 . Parallel lines are the lines which are always same distance apart and never intersect. The given line is x=8 with intersects the x axis at x=8 and it is parallel to y axis with slope infinite or not defined.

Step-by-step explanation:

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Answer:

The approximate probability is $P(X > 0.52) = P(Z > 0.2 ) = 0.42074$

Step-by-step explanation:

From the question we are told that

The population proportion of Americans that say the average person is not considerate of others when talking on a cellphone is p = 0.51

The sample size is n = 100

Generally because the sample size is sufficiently large the mean of this sampling distribution is

$\mu_{x} = p = 0.51$

Generally the standard deviation is mathematically represented as

$\sigma = \sqrt{ \frac{p(1 - p)}{n} }$

=> $\sigma = \sqrt{ \frac{ 0.51 (1 - 0.51)}{100} }$

=> $\sigma = 0.04999$

Generally the sample proportion is mathematically represented as

$\^ p = \frac{52}{100}$

=> $\^ p = 0.52$

Generally the probability that 52 or more Americans would indicate that the average person is not very considerate of others when talking on a cellphone is mathematically represented as

$P(X > 0.52) = P( \frac{X - \mu_{x}}{\sigma} > \frac{ 0.52 - 0.51}{0.04999} )$