3 years ago

Which equation represents the situation?

Mathematics

1 answer:

Tomtit [17]3 years ago

5 0

Answer:

y=720x+100.......................

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215 is the answer because 78-35 =43 43×5=215

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3 years ago

Find the mean and median 0,5,5,9,11,15

il63 [147K]

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spayn [35]

The answer to this question is 21

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3 years ago

Allana used Fraction 3 over 5 yard of fabric to make a scarf. Can she make 2 of these scarves with Fraction 1 and 7 over 10 yard

Paul [167]

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3 years ago

Thirty three different video games showing violence were observed. The duration times of violence (in seconds) were recorded. W

AlladinOne [14]

Answer:

The "df" stands for "degrees of freedom", and represents the number of independent observations in a set of data.

Its value in this case is df=32.

Step-by-step explanation:

The sample is of size n=33.

As we do not know the population's standard deviation, we use as estimate the sample's standard deviation. Because of this, we use the t-statistic in place of the z-value.

The "df" stands for "degrees of freedom", and represents the number of independent observations in a set of data (the data in this case is the sample of 33 video games).

In one-sample tests, the degrees of freedom are calculated as:

$df=N-1=33-1=32$

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3 years ago