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3 years ago

Plss help is this linear or non-linear??

Mathematics

2 answers:

kondaur [170]3 years ago

7 0

This is very much linear. You can tell because this function (line) passes the vertical line test. It has one output for each input and if a vertical line went through it it would only intersect at one spot at a time.

skad [1K]3 years ago

3 0

Answer:

linear

Step-by-step explanation:

The line is straight, it's not like going in any other direction at all or anything

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3 years ago

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diamong [38]

Answer:?

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Step-by-step explanation:

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3 years ago

What do the solutions of a quadratic equation represent graphically? What is the maximum number of solution(s) given by solving

astra-53 [7]

Answer:

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2 years ago

The playing time X of jazz CDs has the normal distribution with mean 52 and standard deviation 7; N(52, 7).

natita [175]

Answer:

68% of jazz CDs play between 45 and 59 minutes.

Step-by-step explanation:

The correct question is: The playing time X of jazz CDs has the normal distribution with mean 52 and standard deviation 7; N(52, 7).

According to the 68-95-99.7 rule, what percentage of jazz CDs play between 45 and 59 minutes?

Let X = playing time of jazz CDs

SO, X ~ Normal( $\mu=52, \sigma^{2} =7$ )

The z-score probability distribution for the normal distribution is given by;

Z = $\frac{X-\mu}{\sigma}$ ~ N(0,1)

Now, according to the 68-95-99.7 rule, it is stated that;

68% of the data values lie within one standard deviation points from the mean.

95% of the data values lie within two standard deviation points from the mean.

99.7% of the data values lie within three standard deviation points from the mean.

Here, we have to find the percentage of jazz CDs play between 45 and 59 minutes;

For 45 minutes, z-score is = $\frac{45-52}{7}$ = -1

For 59 minutes, z-score is = $\frac{59-52}{7}$ = 1

This means that our data values lie within 1 standard deviation points, so it is stated that 68% of jazz CDs play between 45 and 59 minutes.

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3 years ago